81738720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 480

約数和(自身を含む): 355658688

約数和(自身を除く): 273919968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 53, 54, 56, 60, 63, 68, 70, 72, 80, 81, 84, 85, 90, 96, 102, 105, 106, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 159, 160, 162, 168, 170, 180, 189, 204, 210, 212, 216, 224, 238, 240, 252, 255, 265, 270, 272, 280, 288, 306, 315, 318, 324, 336, 340, 357, 360, 371, 378, 405, 408, 420, 424, 432, 459, 476, 477, 480, 504, 510, 530, 540, 544, 560, 567, 595, 612, 630, 636, 648, 672, 680, 714, 720, 742, 756, 765, 795, 810, 816, 840, 848, 864, 901, 918, 945, 952, 954, 1008, 1020, 1060, 1071, 1080, 1113, 1120, 1134, 1190, 1224, 1260, 1272, 1296, 1360, 1377, 1428, 1431, 1440, 1484, 1512, 1530, 1590, 1620, 1632, 1680, 1696, 1785, 1802, 1836, 1855, 1890, 1904, 1908, 2016, 2040, 2120, 2142, 2160, 2226, 2268, 2295, 2380, 2385, 2448, 2520, 2544, 2592, 2703, 2720, 2754, 2835, 2856, 2862, 2968, 3024, 3060, 3180, 3213, 3240, 3339, 3360, 3570, 3604, 3672, 3710, 3780, 3808, 3816, 4080, 4240, 4284, 4293, 4320, 4452, 4505, 4536, 4590, 4760, 4770, 4896, 5040, 5088, 5355, 5406, 5508, 5565, 5670, 5712, 5724, 5936, 6048, 6120, 6307, 6360, 6426, 6480, 6678, 6885, 7140, 7155, 7208, 7344, 7420, 7560, 7632, 8109, 8160, 8480, 8568, 8586, 8904, 9010, 9072, 9180, 9520, 9540, 9639, 10017, 10080, 10710, 10812, 11016, 11130, 11340, 11424, 11448, 11872, 12240, 12614, 12720, 12852, 12960, 13356, 13515, 13770, 14280, 14310, 14416, 14688, 14840, 15120, 15264, 16065, 16218, 16695, 17136, 17172, 17808, 18020, 18144, 18360, 18921, 19040, 19080, 19278, 20034, 21420, 21465, 21624, 22032, 22260, 22680, 22896, 24327, 24480, 25228, 25440, 25704, 26712, 27030, 27540, 28560, 28620, 28832, 29680, 30051, 30240, 31535, 32130, 32436, 33390, 34272, 34344, 35616, 36040, 36720, 37842, 38160, 38556, 40068, 40545, 42840, 42930, 43248, 44064, 44520, 45360, 45792, 48195, 48654, 50085, 50456, 51408, 53424, 54060, 55080, 56763, 57120, 57240, 59360, 60102, 63070, 64260, 64872, 66780, 68688, 72080, 72981, 73440, 75684, 76320, 77112, 80136, 81090, 85680, 85860, 86496, 89040, 90720, 94605, 96390, 97308, 100170, 100912, 102816, 106848, 108120, 110160, 113526, 114480, 120204, 121635, 126140, 128520, 129744, 133560, 137376, 144160, 145962, 150255, 151368, 154224, 160272, 162180, 170289, 171360, 171720, 178080, 189210, 192780, 194616, 200340, 201824, 216240, 220320, 227052, 228960, 240408, 243270, 252280, 257040, 259488, 267120, 283815, 291924, 300510, 302736, 308448, 320544, 324360, 340578, 343440, 364905, 378420, 385560, 389232, 400680, 432480, 454104, 480816, 486540, 504560, 510867, 514080, 534240, 567630, 583848, 601020, 605472, 648720, 681156, 686880, 729810, 756840, 771120, 778464, 801360, 851445, 908208, 961632, 973080, 1009120, 1021734, 1135260, 1167696, 1202040, 1297440, 1362312, 1459620, 1513680, 1542240, 1602720, 1702890, 1816416, 1946160, 2043468, 2270520, 2335392, 2404080, 2554335, 2724624, 2919240, 3027360, 3405780, 3892320, 4086936, 4541040, 4808160, 5108670, 5449248, 5838480, 6811560, 8173872, 9082080, 10217340, 11676960, 13623120, 16347744, 20434680, 27246240, 40869360, 81738720]

約数ペア:

[(1, 81738720), (2, 40869360), (3, 27246240), (4, 20434680), (5, 16347744), (6, 13623120), (7, 11676960), (8, 10217340), (9, 9082080), (10, 8173872), (12, 6811560), (14, 5838480), (15, 5449248), (16, 5108670), (17, 4808160), (18, 4541040), (20, 4086936), (21, 3892320), (24, 3405780), (27, 3027360), (28, 2919240), (30, 2724624), (32, 2554335), (34, 2404080), (35, 2335392), (36, 2270520), (40, 2043468), (42, 1946160), (45, 1816416), (48, 1702890), (51, 1602720), (53, 1542240), (54, 1513680), (56, 1459620), (60, 1362312), (63, 1297440), (68, 1202040), (70, 1167696), (72, 1135260), (80, 1021734), (81, 1009120), (84, 973080), (85, 961632), (90, 908208), (96, 851445), (102, 801360), (105, 778464), (106, 771120), (108, 756840), (112, 729810), (119, 686880), (120, 681156), (126, 648720), (135, 605472), (136, 601020), (140, 583848), (144, 567630), (153, 534240), (159, 514080), (160, 510867), (162, 504560), (168, 486540), (170, 480816), (180, 454104), (189, 432480), (204, 400680), (210, 389232), (212, 385560), (216, 378420), (224, 364905), (238, 343440), (240, 340578), (252, 324360), (255, 320544), (265, 308448), (270, 302736), (272, 300510), (280, 291924), (288, 283815), (306, 267120), (315, 259488), (318, 257040), (324, 252280), (336, 243270), (340, 240408), (357, 228960), (360, 227052), (371, 220320), (378, 216240), (405, 201824), (408, 200340), (420, 194616), (424, 192780), (432, 189210), (459, 178080), (476, 171720), (477, 171360), (480, 170289), (504, 162180), (510, 160272), (530, 154224), (540, 151368), (544, 150255), (560, 145962), (567, 144160), (595, 137376), (612, 133560), (630, 129744), (636, 128520), (648, 126140), (672, 121635), (680, 120204), (714, 114480), (720, 113526), (742, 110160), (756, 108120), (765, 106848), (795, 102816), (810, 100912), (816, 100170), (840, 97308), (848, 96390), (864, 94605), (901, 90720), (918, 89040), (945, 86496), (952, 85860), (954, 85680), (1008, 81090), (1020, 80136), (1060, 77112), (1071, 76320), (1080, 75684), (1113, 73440), (1120, 72981), (1134, 72080), (1190, 68688), (1224, 66780), (1260, 64872), (1272, 64260), (1296, 63070), (1360, 60102), (1377, 59360), (1428, 57240), (1431, 57120), (1440, 56763), (1484, 55080), (1512, 54060), (1530, 53424), (1590, 51408), (1620, 50456), (1632, 50085), (1680, 48654), (1696, 48195), (1785, 45792), (1802, 45360), (1836, 44520), (1855, 44064), (1890, 43248), (1904, 42930), (1908, 42840), (2016, 40545), (2040, 40068), (2120, 38556), (2142, 38160), (2160, 37842), (2226, 36720), (2268, 36040), (2295, 35616), (2380, 34344), (2385, 34272), (2448, 33390), (2520, 32436), (2544, 32130), (2592, 31535), (2703, 30240), (2720, 30051), (2754, 29680), (2835, 28832), (2856, 28620), (2862, 28560), (2968, 27540), (3024, 27030), (3060, 26712), (3180, 25704), (3213, 25440), (3240, 25228), (3339, 24480), (3360, 24327), (3570, 22896), (3604, 22680), (3672, 22260), (3710, 22032), (3780, 21624), (3808, 21465), (3816, 21420), (4080, 20034), (4240, 19278), (4284, 19080), (4293, 19040), (4320, 18921), (4452, 18360), (4505, 18144), (4536, 18020), (4590, 17808), (4760, 17172), (4770, 17136), (4896, 16695), (5040, 16218), (5088, 16065), (5355, 15264), (5406, 15120), (5508, 14840), (5565, 14688), (5670, 14416), (5712, 14310), (5724, 14280), (5936, 13770), (6048, 13515), (6120, 13356), (6307, 12960), (6360, 12852), (6426, 12720), (6480, 12614), (6678, 12240), (6885, 11872), (7140, 11448), (7155, 11424), (7208, 11340), (7344, 11130), (7420, 11016), (7560, 10812), (7632, 10710), (8109, 10080), (8160, 10017), (8480, 9639), (8568, 9540), (8586, 9520), (8904, 9180), (9010, 9072)]