157715760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2557}}^1$

素因数の和:2830

約数の個数: 80

約数和(自身を含む): 491013216

約数和(自身を除く): 333297456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2557, 2570, 3084, 3855, 4112, 5114, 5140, 6168, 7671, 7710, 10228, 10280, 12336, 12785, 15342, 15420, 20456, 20560, 25570, 30684, 30840, 38355, 40912, 51140, 61368, 61680, 76710, 102280, 122736, 153420, 204560, 306840, 613680, 657149, 1314298, 1971447, 2628596, 3285745, 3942894, 5257192, 6571490, 7885788, 9857235, 10514384, 13142980, 15771576, 19714470, 26285960, 31543152, 39428940, 52571920, 78857880, 157715760]

約数ペア:

[(1, 157715760), (2, 78857880), (3, 52571920), (4, 39428940), (5, 31543152), (6, 26285960), (8, 19714470), (10, 15771576), (12, 13142980), (15, 10514384), (16, 9857235), (20, 7885788), (24, 6571490), (30, 5257192), (40, 3942894), (48, 3285745), (60, 2628596), (80, 1971447), (120, 1314298), (240, 657149), (257, 613680), (514, 306840), (771, 204560), (1028, 153420), (1285, 122736), (1542, 102280), (2056, 76710), (2557, 61680), (2570, 61368), (3084, 51140), (3855, 40912), (4112, 38355), (5114, 30840), (5140, 30684), (6168, 25570), (7671, 20560), (7710, 20456), (10228, 15420), (10280, 15342), (12336, 12785)]