68965920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1087

約数の個数: 144

約数和(自身を含む): 240589440

約数和(自身を除く): 171623520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 282, 288, 360, 376, 423, 470, 480, 564, 705, 720, 752, 846, 940, 1019, 1128, 1410, 1440, 1504, 1692, 1880, 2038, 2115, 2256, 2820, 3057, 3384, 3760, 4076, 4230, 4512, 5095, 5640, 6114, 6768, 7520, 8152, 8460, 9171, 10190, 11280, 12228, 13536, 15285, 16304, 16920, 18342, 20380, 22560, 24456, 30570, 32608, 33840, 36684, 40760, 45855, 47893, 48912, 61140, 67680, 73368, 81520, 91710, 95786, 97824, 122280, 143679, 146736, 163040, 183420, 191572, 239465, 244560, 287358, 293472, 366840, 383144, 431037, 478930, 489120, 574716, 718395, 733680, 766288, 862074, 957860, 1149432, 1436790, 1467360, 1532576, 1724148, 1915720, 2155185, 2298864, 2873580, 3448296, 3831440, 4310370, 4597728, 5747160, 6896592, 7662880, 8620740, 11494320, 13793184, 17241480, 22988640, 34482960, 68965920]

約数ペア:

[(1, 68965920), (2, 34482960), (3, 22988640), (4, 17241480), (5, 13793184), (6, 11494320), (8, 8620740), (9, 7662880), (10, 6896592), (12, 5747160), (15, 4597728), (16, 4310370), (18, 3831440), (20, 3448296), (24, 2873580), (30, 2298864), (32, 2155185), (36, 1915720), (40, 1724148), (45, 1532576), (47, 1467360), (48, 1436790), (60, 1149432), (72, 957860), (80, 862074), (90, 766288), (94, 733680), (96, 718395), (120, 574716), (141, 489120), (144, 478930), (160, 431037), (180, 383144), (188, 366840), (235, 293472), (240, 287358), (282, 244560), (288, 239465), (360, 191572), (376, 183420), (423, 163040), (470, 146736), (480, 143679), (564, 122280), (705, 97824), (720, 95786), (752, 91710), (846, 81520), (940, 73368), (1019, 67680), (1128, 61140), (1410, 48912), (1440, 47893), (1504, 45855), (1692, 40760), (1880, 36684), (2038, 33840), (2115, 32608), (2256, 30570), (2820, 24456), (3057, 22560), (3384, 20380), (3760, 18342), (4076, 16920), (4230, 16304), (4512, 15285), (5095, 13536), (5640, 12228), (6114, 11280), (6768, 10190), (7520, 9171), (8152, 8460)]