28577640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2617}}^1$

素因数の和:2651

約数の個数: 128

約数和(自身を含む): 105557760

約数和(自身を除く): 76980120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2617, 2730, 3640, 5234, 5460, 7851, 10468, 10920, 13085, 15702, 18319, 20936, 26170, 31404, 34021, 36638, 39255, 52340, 54957, 62808, 68042, 73276, 78510, 91595, 102063, 104680, 109914, 136084, 146552, 157020, 170105, 183190, 204126, 219828, 238147, 272168, 274785, 314040, 340210, 366380, 408252, 439656, 476294, 510315, 549570, 680420, 714441, 732760, 816504, 952588, 1020630, 1099140, 1190735, 1360840, 1428882, 1905176, 2041260, 2198280, 2381470, 2857764, 3572205, 4082520, 4762940, 5715528, 7144410, 9525880, 14288820, 28577640]

約数ペア:

[(1, 28577640), (2, 14288820), (3, 9525880), (4, 7144410), (5, 5715528), (6, 4762940), (7, 4082520), (8, 3572205), (10, 2857764), (12, 2381470), (13, 2198280), (14, 2041260), (15, 1905176), (20, 1428882), (21, 1360840), (24, 1190735), (26, 1099140), (28, 1020630), (30, 952588), (35, 816504), (39, 732760), (40, 714441), (42, 680420), (52, 549570), (56, 510315), (60, 476294), (65, 439656), (70, 408252), (78, 366380), (84, 340210), (91, 314040), (104, 274785), (105, 272168), (120, 238147), (130, 219828), (140, 204126), (156, 183190), (168, 170105), (182, 157020), (195, 146552), (210, 136084), (260, 109914), (273, 104680), (280, 102063), (312, 91595), (364, 78510), (390, 73276), (420, 68042), (455, 62808), (520, 54957), (546, 52340), (728, 39255), (780, 36638), (840, 34021), (910, 31404), (1092, 26170), (1365, 20936), (1560, 18319), (1820, 15702), (2184, 13085), (2617, 10920), (2730, 10468), (3640, 7851), (5234, 5460)]