257107500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 240

約数和(自身を含む): 900086880

約数和(自身を除く): 642979380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 125, 130, 135, 150, 156, 180, 195, 225, 234, 250, 260, 270, 293, 300, 325, 351, 375, 390, 450, 468, 500, 540, 585, 586, 625, 650, 675, 702, 750, 780, 879, 900, 975, 1125, 1170, 1172, 1250, 1300, 1350, 1404, 1465, 1500, 1625, 1755, 1758, 1875, 1950, 2250, 2340, 2500, 2637, 2700, 2925, 2930, 3250, 3375, 3510, 3516, 3750, 3809, 3900, 4395, 4500, 4875, 5274, 5625, 5850, 5860, 6500, 6750, 7020, 7325, 7500, 7618, 7911, 8125, 8775, 8790, 9750, 10548, 11250, 11427, 11700, 13185, 13500, 14625, 14650, 15236, 15822, 16250, 16875, 17550, 17580, 19045, 19500, 21975, 22500, 22854, 24375, 26370, 29250, 29300, 31644, 32500, 33750, 34281, 35100, 36625, 38090, 39555, 43875, 43950, 45708, 48750, 52740, 57135, 58500, 65925, 67500, 68562, 73125, 73250, 76180, 79110, 87750, 87900, 95225, 97500, 102843, 109875, 114270, 131850, 137124, 146250, 146500, 158220, 171405, 175500, 183125, 190450, 197775, 205686, 219375, 219750, 228540, 263700, 285675, 292500, 329625, 342810, 366250, 380900, 395550, 411372, 438750, 439500, 476125, 514215, 549375, 571350, 659250, 685620, 732500, 791100, 857025, 877500, 952250, 988875, 1028430, 1098750, 1142700, 1318500, 1428375, 1648125, 1714050, 1904500, 1977750, 2056860, 2197500, 2380625, 2571075, 2856750, 3296250, 3428100, 3955500, 4285125, 4761250, 4944375, 5142150, 5713500, 6592500, 7141875, 8570250, 9522500, 9888750, 10284300, 12855375, 14283750, 17140500, 19777500, 21425625, 25710750, 28567500, 42851250, 51421500, 64276875, 85702500, 128553750, 257107500]

約数ペア:

[(1, 257107500), (2, 128553750), (3, 85702500), (4, 64276875), (5, 51421500), (6, 42851250), (9, 28567500), (10, 25710750), (12, 21425625), (13, 19777500), (15, 17140500), (18, 14283750), (20, 12855375), (25, 10284300), (26, 9888750), (27, 9522500), (30, 8570250), (36, 7141875), (39, 6592500), (45, 5713500), (50, 5142150), (52, 4944375), (54, 4761250), (60, 4285125), (65, 3955500), (75, 3428100), (78, 3296250), (90, 2856750), (100, 2571075), (108, 2380625), (117, 2197500), (125, 2056860), (130, 1977750), (135, 1904500), (150, 1714050), (156, 1648125), (180, 1428375), (195, 1318500), (225, 1142700), (234, 1098750), (250, 1028430), (260, 988875), (270, 952250), (293, 877500), (300, 857025), (325, 791100), (351, 732500), (375, 685620), (390, 659250), (450, 571350), (468, 549375), (500, 514215), (540, 476125), (585, 439500), (586, 438750), (625, 411372), (650, 395550), (675, 380900), (702, 366250), (750, 342810), (780, 329625), (879, 292500), (900, 285675), (975, 263700), (1125, 228540), (1170, 219750), (1172, 219375), (1250, 205686), (1300, 197775), (1350, 190450), (1404, 183125), (1465, 175500), (1500, 171405), (1625, 158220), (1755, 146500), (1758, 146250), (1875, 137124), (1950, 131850), (2250, 114270), (2340, 109875), (2500, 102843), (2637, 97500), (2700, 95225), (2925, 87900), (2930, 87750), (3250, 79110), (3375, 76180), (3510, 73250), (3516, 73125), (3750, 68562), (3809, 67500), (3900, 65925), (4395, 58500), (4500, 57135), (4875, 52740), (5274, 48750), (5625, 45708), (5850, 43950), (5860, 43875), (6500, 39555), (6750, 38090), (7020, 36625), (7325, 35100), (7500, 34281), (7618, 33750), (7911, 32500), (8125, 31644), (8775, 29300), (8790, 29250), (9750, 26370), (10548, 24375), (11250, 22854), (11427, 22500), (11700, 21975), (13185, 19500), (13500, 19045), (14625, 17580), (14650, 17550), (15236, 16875), (15822, 16250)]