19926720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 336

約数和(自身を含む): 81308448

約数和(自身を除く): 61381728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 37, 40, 44, 45, 48, 51, 55, 60, 64, 66, 68, 72, 74, 80, 85, 88, 90, 96, 99, 102, 110, 111, 120, 132, 136, 144, 148, 153, 160, 165, 170, 176, 180, 185, 187, 192, 198, 204, 220, 222, 240, 255, 264, 272, 288, 296, 306, 320, 330, 333, 340, 352, 360, 370, 374, 396, 407, 408, 440, 444, 480, 495, 510, 528, 544, 555, 561, 576, 592, 612, 629, 660, 666, 680, 704, 720, 740, 748, 765, 792, 814, 816, 880, 888, 935, 960, 990, 1020, 1056, 1088, 1110, 1122, 1184, 1221, 1224, 1258, 1320, 1332, 1360, 1440, 1480, 1496, 1530, 1584, 1628, 1632, 1665, 1683, 1760, 1776, 1870, 1887, 1980, 2035, 2040, 2112, 2220, 2244, 2368, 2442, 2448, 2516, 2640, 2664, 2720, 2805, 2880, 2960, 2992, 3060, 3145, 3168, 3256, 3264, 3330, 3366, 3520, 3552, 3663, 3740, 3774, 3960, 4070, 4080, 4440, 4488, 4884, 4896, 5032, 5280, 5328, 5440, 5610, 5661, 5920, 5984, 6105, 6120, 6290, 6336, 6512, 6660, 6732, 6919, 7104, 7326, 7480, 7548, 7920, 8140, 8160, 8415, 8880, 8976, 9435, 9768, 9792, 10064, 10560, 10656, 11220, 11322, 11840, 11968, 12210, 12240, 12580, 13024, 13320, 13464, 13838, 14652, 14960, 15096, 15840, 16280, 16320, 16830, 17760, 17952, 18315, 18870, 19536, 20128, 20757, 21312, 22440, 22644, 24420, 24480, 25160, 26048, 26640, 26928, 27676, 28305, 29304, 29920, 30192, 31680, 32560, 33660, 34595, 35520, 35904, 36630, 37740, 39072, 40256, 41514, 44880, 45288, 48840, 48960, 50320, 53280, 53856, 55352, 56610, 58608, 59840, 60384, 62271, 65120, 67320, 69190, 73260, 75480, 78144, 83028, 89760, 90576, 97680, 100640, 103785, 106560, 107712, 110704, 113220, 117216, 120768, 124542, 130240, 134640, 138380, 146520, 150960, 166056, 179520, 181152, 195360, 201280, 207570, 221408, 226440, 234432, 249084, 269280, 276760, 293040, 301920, 311355, 332112, 362304, 390720, 415140, 442816, 452880, 498168, 538560, 553520, 586080, 603840, 622710, 664224, 830280, 905760, 996336, 1107040, 1172160, 1245420, 1328448, 1660560, 1811520, 1992672, 2214080, 2490840, 3321120, 3985344, 4981680, 6642240, 9963360, 19926720]

約数ペア:

[(1, 19926720), (2, 9963360), (3, 6642240), (4, 4981680), (5, 3985344), (6, 3321120), (8, 2490840), (9, 2214080), (10, 1992672), (11, 1811520), (12, 1660560), (15, 1328448), (16, 1245420), (17, 1172160), (18, 1107040), (20, 996336), (22, 905760), (24, 830280), (30, 664224), (32, 622710), (33, 603840), (34, 586080), (36, 553520), (37, 538560), (40, 498168), (44, 452880), (45, 442816), (48, 415140), (51, 390720), (55, 362304), (60, 332112), (64, 311355), (66, 301920), (68, 293040), (72, 276760), (74, 269280), (80, 249084), (85, 234432), (88, 226440), (90, 221408), (96, 207570), (99, 201280), (102, 195360), (110, 181152), (111, 179520), (120, 166056), (132, 150960), (136, 146520), (144, 138380), (148, 134640), (153, 130240), (160, 124542), (165, 120768), (170, 117216), (176, 113220), (180, 110704), (185, 107712), (187, 106560), (192, 103785), (198, 100640), (204, 97680), (220, 90576), (222, 89760), (240, 83028), (255, 78144), (264, 75480), (272, 73260), (288, 69190), (296, 67320), (306, 65120), (320, 62271), (330, 60384), (333, 59840), (340, 58608), (352, 56610), (360, 55352), (370, 53856), (374, 53280), (396, 50320), (407, 48960), (408, 48840), (440, 45288), (444, 44880), (480, 41514), (495, 40256), (510, 39072), (528, 37740), (544, 36630), (555, 35904), (561, 35520), (576, 34595), (592, 33660), (612, 32560), (629, 31680), (660, 30192), (666, 29920), (680, 29304), (704, 28305), (720, 27676), (740, 26928), (748, 26640), (765, 26048), (792, 25160), (814, 24480), (816, 24420), (880, 22644), (888, 22440), (935, 21312), (960, 20757), (990, 20128), (1020, 19536), (1056, 18870), (1088, 18315), (1110, 17952), (1122, 17760), (1184, 16830), (1221, 16320), (1224, 16280), (1258, 15840), (1320, 15096), (1332, 14960), (1360, 14652), (1440, 13838), (1480, 13464), (1496, 13320), (1530, 13024), (1584, 12580), (1628, 12240), (1632, 12210), (1665, 11968), (1683, 11840), (1760, 11322), (1776, 11220), (1870, 10656), (1887, 10560), (1980, 10064), (2035, 9792), (2040, 9768), (2112, 9435), (2220, 8976), (2244, 8880), (2368, 8415), (2442, 8160), (2448, 8140), (2516, 7920), (2640, 7548), (2664, 7480), (2720, 7326), (2805, 7104), (2880, 6919), (2960, 6732), (2992, 6660), (3060, 6512), (3145, 6336), (3168, 6290), (3256, 6120), (3264, 6105), (3330, 5984), (3366, 5920), (3520, 5661), (3552, 5610), (3663, 5440), (3740, 5328), (3774, 5280), (3960, 5032), (4070, 4896), (4080, 4884), (4440, 4488)]