81819360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{8117}}^1$

素因数の和:8145

約数の個数: 144

約数和(自身を含む): 319134816

約数和(自身を除く): 237315456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 8117, 10080, 16234, 24351, 32468, 40585, 48702, 56819, 64936, 73053, 81170, 97404, 113638, 121755, 129872, 146106, 162340, 170457, 194808, 227276, 243510, 259744, 284095, 292212, 324680, 340914, 365265, 389616, 454552, 487020, 511371, 568190, 584424, 649360, 681828, 730530, 779232, 852285, 909104, 974040, 1022742, 1136380, 1168848, 1298720, 1363656, 1461060, 1704570, 1818208, 1948080, 2045484, 2272760, 2337696, 2556855, 2727312, 2922120, 3409140, 3896160, 4090968, 4545520, 5113710, 5454624, 5844240, 6818280, 8181936, 9091040, 10227420, 11688480, 13636560, 16363872, 20454840, 27273120, 40909680, 81819360]

約数ペア:

[(1, 81819360), (2, 40909680), (3, 27273120), (4, 20454840), (5, 16363872), (6, 13636560), (7, 11688480), (8, 10227420), (9, 9091040), (10, 8181936), (12, 6818280), (14, 5844240), (15, 5454624), (16, 5113710), (18, 4545520), (20, 4090968), (21, 3896160), (24, 3409140), (28, 2922120), (30, 2727312), (32, 2556855), (35, 2337696), (36, 2272760), (40, 2045484), (42, 1948080), (45, 1818208), (48, 1704570), (56, 1461060), (60, 1363656), (63, 1298720), (70, 1168848), (72, 1136380), (80, 1022742), (84, 974040), (90, 909104), (96, 852285), (105, 779232), (112, 730530), (120, 681828), (126, 649360), (140, 584424), (144, 568190), (160, 511371), (168, 487020), (180, 454552), (210, 389616), (224, 365265), (240, 340914), (252, 324680), (280, 292212), (288, 284095), (315, 259744), (336, 243510), (360, 227276), (420, 194808), (480, 170457), (504, 162340), (560, 146106), (630, 129872), (672, 121755), (720, 113638), (840, 97404), (1008, 81170), (1120, 73053), (1260, 64936), (1440, 56819), (1680, 48702), (2016, 40585), (2520, 32468), (3360, 24351), (5040, 16234), (8117, 10080)]