20306160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 320

約数和(自身を含む): 85708800

約数和(自身を除く): 65402640

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, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 79, 80, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 158, 168, 170, 180, 189, 204, 210, 216, 237, 238, 240, 252, 255, 270, 272, 280, 306, 315, 316, 336, 340, 357, 360, 378, 395, 408, 420, 432, 459, 474, 476, 504, 510, 540, 553, 560, 595, 612, 630, 632, 680, 711, 714, 720, 756, 765, 790, 816, 840, 918, 945, 948, 952, 1008, 1020, 1071, 1080, 1106, 1185, 1190, 1224, 1260, 1264, 1343, 1360, 1422, 1428, 1512, 1530, 1580, 1659, 1680, 1785, 1836, 1890, 1896, 1904, 2040, 2133, 2142, 2160, 2212, 2295, 2370, 2380, 2448, 2520, 2686, 2765, 2844, 2856, 3024, 3060, 3160, 3213, 3318, 3555, 3570, 3672, 3780, 3792, 4029, 4080, 4266, 4284, 4424, 4590, 4740, 4760, 4977, 5040, 5355, 5372, 5530, 5688, 5712, 6120, 6320, 6426, 6636, 6715, 7110, 7140, 7344, 7560, 8058, 8295, 8532, 8568, 8848, 9180, 9401, 9480, 9520, 9954, 10665, 10710, 10744, 11060, 11376, 12087, 12240, 12852, 13272, 13430, 14220, 14280, 14931, 15120, 16065, 16116, 16590, 17064, 17136, 18360, 18802, 18960, 19908, 20145, 21330, 21420, 21488, 22120, 24174, 24885, 25704, 26544, 26860, 28203, 28440, 28560, 29862, 32130, 32232, 33180, 34128, 36261, 36720, 37604, 39816, 40290, 42660, 42840, 44240, 47005, 48348, 49770, 51408, 53720, 56406, 56880, 59724, 60435, 64260, 64464, 66360, 72522, 74655, 75208, 79632, 80580, 84609, 85320, 85680, 94010, 96696, 99540, 107440, 112812, 119448, 120870, 128520, 132720, 141015, 145044, 149310, 150416, 161160, 169218, 170640, 181305, 188020, 193392, 199080, 225624, 238896, 241740, 253827, 257040, 282030, 290088, 298620, 322320, 338436, 362610, 376040, 398160, 423045, 451248, 483480, 507654, 564060, 580176, 597240, 676872, 725220, 752080, 846090, 966960, 1015308, 1128120, 1194480, 1269135, 1353744, 1450440, 1692180, 2030616, 2256240, 2538270, 2900880, 3384360, 4061232, 5076540, 6768720, 10153080, 20306160]

約数ペア:

[(1, 20306160), (2, 10153080), (3, 6768720), (4, 5076540), (5, 4061232), (6, 3384360), (7, 2900880), (8, 2538270), (9, 2256240), (10, 2030616), (12, 1692180), (14, 1450440), (15, 1353744), (16, 1269135), (17, 1194480), (18, 1128120), (20, 1015308), (21, 966960), (24, 846090), (27, 752080), (28, 725220), (30, 676872), (34, 597240), (35, 580176), (36, 564060), (40, 507654), (42, 483480), (45, 451248), (48, 423045), (51, 398160), (54, 376040), (56, 362610), (60, 338436), (63, 322320), (68, 298620), (70, 290088), (72, 282030), (79, 257040), (80, 253827), (84, 241740), (85, 238896), (90, 225624), (102, 199080), (105, 193392), (108, 188020), (112, 181305), (119, 170640), (120, 169218), (126, 161160), (135, 150416), (136, 149310), (140, 145044), (144, 141015), (153, 132720), (158, 128520), (168, 120870), (170, 119448), (180, 112812), (189, 107440), (204, 99540), (210, 96696), (216, 94010), (237, 85680), (238, 85320), (240, 84609), (252, 80580), (255, 79632), (270, 75208), (272, 74655), (280, 72522), (306, 66360), (315, 64464), (316, 64260), (336, 60435), (340, 59724), (357, 56880), (360, 56406), (378, 53720), (395, 51408), (408, 49770), (420, 48348), (432, 47005), (459, 44240), (474, 42840), (476, 42660), (504, 40290), (510, 39816), (540, 37604), (553, 36720), (560, 36261), (595, 34128), (612, 33180), (630, 32232), (632, 32130), (680, 29862), (711, 28560), (714, 28440), (720, 28203), (756, 26860), (765, 26544), (790, 25704), (816, 24885), (840, 24174), (918, 22120), (945, 21488), (948, 21420), (952, 21330), (1008, 20145), (1020, 19908), (1071, 18960), (1080, 18802), (1106, 18360), (1185, 17136), (1190, 17064), (1224, 16590), (1260, 16116), (1264, 16065), (1343, 15120), (1360, 14931), (1422, 14280), (1428, 14220), (1512, 13430), (1530, 13272), (1580, 12852), (1659, 12240), (1680, 12087), (1785, 11376), (1836, 11060), (1890, 10744), (1896, 10710), (1904, 10665), (2040, 9954), (2133, 9520), (2142, 9480), (2160, 9401), (2212, 9180), (2295, 8848), (2370, 8568), (2380, 8532), (2448, 8295), (2520, 8058), (2686, 7560), (2765, 7344), (2844, 7140), (2856, 7110), (3024, 6715), (3060, 6636), (3160, 6426), (3213, 6320), (3318, 6120), (3555, 5712), (3570, 5688), (3672, 5530), (3780, 5372), (3792, 5355), (4029, 5040), (4080, 4977), (4266, 4760), (4284, 4740), (4424, 4590)]