257281110

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 698181120

約数和(自身を除く): 440900010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 239, 243, 270, 405, 443, 478, 486, 717, 810, 886, 1195, 1215, 1329, 1434, 2151, 2215, 2390, 2430, 2658, 3585, 3987, 4302, 4430, 6453, 6645, 7170, 7974, 10755, 11961, 12906, 13290, 19359, 19935, 21510, 23922, 32265, 35883, 38718, 39870, 58077, 59805, 64530, 71766, 96795, 105877, 107649, 116154, 119610, 179415, 193590, 211754, 215298, 290385, 317631, 358830, 529385, 538245, 580770, 635262, 952893, 1058770, 1076490, 1588155, 1905786, 2858679, 3176310, 4764465, 5717358, 8576037, 9528930, 14293395, 17152074, 25728111, 28586790, 42880185, 51456222, 85760370, 128640555, 257281110]

約数ペア:

[(1, 257281110), (2, 128640555), (3, 85760370), (5, 51456222), (6, 42880185), (9, 28586790), (10, 25728111), (15, 17152074), (18, 14293395), (27, 9528930), (30, 8576037), (45, 5717358), (54, 4764465), (81, 3176310), (90, 2858679), (135, 1905786), (162, 1588155), (239, 1076490), (243, 1058770), (270, 952893), (405, 635262), (443, 580770), (478, 538245), (486, 529385), (717, 358830), (810, 317631), (886, 290385), (1195, 215298), (1215, 211754), (1329, 193590), (1434, 179415), (2151, 119610), (2215, 116154), (2390, 107649), (2430, 105877), (2658, 96795), (3585, 71766), (3987, 64530), (4302, 59805), (4430, 58077), (6453, 39870), (6645, 38718), (7170, 35883), (7974, 32265), (10755, 23922), (11961, 21510), (12906, 19935), (13290, 19359)]