9991920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 34283520

約数和(自身を除く): 24291600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 79, 80, 85, 93, 102, 120, 124, 136, 155, 158, 170, 186, 204, 237, 240, 248, 255, 272, 310, 316, 340, 372, 395, 408, 465, 474, 496, 510, 527, 620, 632, 680, 744, 790, 816, 930, 948, 1020, 1054, 1185, 1240, 1264, 1343, 1360, 1488, 1580, 1581, 1860, 1896, 2040, 2108, 2370, 2449, 2480, 2635, 2686, 3160, 3162, 3720, 3792, 4029, 4080, 4216, 4740, 4898, 5270, 5372, 6320, 6324, 6715, 7347, 7440, 7905, 8058, 8432, 9480, 9796, 10540, 10744, 12245, 12648, 13430, 14694, 15810, 16116, 18960, 19592, 20145, 21080, 21488, 24490, 25296, 26860, 29388, 31620, 32232, 36735, 39184, 40290, 41633, 42160, 48980, 53720, 58776, 63240, 64464, 73470, 80580, 83266, 97960, 107440, 117552, 124899, 126480, 146940, 161160, 166532, 195920, 208165, 249798, 293880, 322320, 333064, 416330, 499596, 587760, 624495, 666128, 832660, 999192, 1248990, 1665320, 1998384, 2497980, 3330640, 4995960, 9991920]

約数ペア:

[(1, 9991920), (2, 4995960), (3, 3330640), (4, 2497980), (5, 1998384), (6, 1665320), (8, 1248990), (10, 999192), (12, 832660), (15, 666128), (16, 624495), (17, 587760), (20, 499596), (24, 416330), (30, 333064), (31, 322320), (34, 293880), (40, 249798), (48, 208165), (51, 195920), (60, 166532), (62, 161160), (68, 146940), (79, 126480), (80, 124899), (85, 117552), (93, 107440), (102, 97960), (120, 83266), (124, 80580), (136, 73470), (155, 64464), (158, 63240), (170, 58776), (186, 53720), (204, 48980), (237, 42160), (240, 41633), (248, 40290), (255, 39184), (272, 36735), (310, 32232), (316, 31620), (340, 29388), (372, 26860), (395, 25296), (408, 24490), (465, 21488), (474, 21080), (496, 20145), (510, 19592), (527, 18960), (620, 16116), (632, 15810), (680, 14694), (744, 13430), (790, 12648), (816, 12245), (930, 10744), (948, 10540), (1020, 9796), (1054, 9480), (1185, 8432), (1240, 8058), (1264, 7905), (1343, 7440), (1360, 7347), (1488, 6715), (1580, 6324), (1581, 6320), (1860, 5372), (1896, 5270), (2040, 4898), (2108, 4740), (2370, 4216), (2449, 4080), (2480, 4029), (2635, 3792), (2686, 3720), (3160, 3162)]