81175080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2419

約数の個数: 128

約数和(自身を含む): 285223680

約数和(自身を除く): 204048600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2357, 2460, 2870, 3444, 4305, 4714, 4920, 5740, 6888, 7071, 8610, 9428, 11480, 11785, 14142, 16499, 17220, 18856, 23570, 28284, 32998, 34440, 35355, 47140, 49497, 56568, 65996, 70710, 82495, 94280, 96637, 98994, 131992, 141420, 164990, 193274, 197988, 247485, 282840, 289911, 329980, 386548, 395976, 483185, 494970, 579822, 659960, 676459, 773096, 966370, 989940, 1159644, 1352918, 1449555, 1932740, 1979880, 2029377, 2319288, 2705836, 2899110, 3382295, 3865480, 4058754, 5411672, 5798220, 6764590, 8117508, 10146885, 11596440, 13529180, 16235016, 20293770, 27058360, 40587540, 81175080]

約数ペア:

[(1, 81175080), (2, 40587540), (3, 27058360), (4, 20293770), (5, 16235016), (6, 13529180), (7, 11596440), (8, 10146885), (10, 8117508), (12, 6764590), (14, 5798220), (15, 5411672), (20, 4058754), (21, 3865480), (24, 3382295), (28, 2899110), (30, 2705836), (35, 2319288), (40, 2029377), (41, 1979880), (42, 1932740), (56, 1449555), (60, 1352918), (70, 1159644), (82, 989940), (84, 966370), (105, 773096), (120, 676459), (123, 659960), (140, 579822), (164, 494970), (168, 483185), (205, 395976), (210, 386548), (246, 329980), (280, 289911), (287, 282840), (328, 247485), (410, 197988), (420, 193274), (492, 164990), (574, 141420), (615, 131992), (820, 98994), (840, 96637), (861, 94280), (984, 82495), (1148, 70710), (1230, 65996), (1435, 56568), (1640, 49497), (1722, 47140), (2296, 35355), (2357, 34440), (2460, 32998), (2870, 28284), (3444, 23570), (4305, 18856), (4714, 17220), (4920, 16499), (5740, 14142), (6888, 11785), (7071, 11480), (8610, 9428)]