331293480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{757}}^1$

素因数の和:1299

約数の個数: 128

約数和(自身を含む): 1139546880

約数和(自身を除く): 808253400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 521, 757, 840, 1042, 1514, 1563, 2084, 2271, 2605, 3028, 3126, 3647, 3785, 4168, 4542, 5210, 5299, 6056, 6252, 7294, 7570, 7815, 9084, 10420, 10598, 10941, 11355, 12504, 14588, 15140, 15630, 15897, 18168, 18235, 20840, 21196, 21882, 22710, 26495, 29176, 30280, 31260, 31794, 36470, 42392, 43764, 45420, 52990, 54705, 62520, 63588, 72940, 79485, 87528, 90840, 105980, 109410, 127176, 145880, 158970, 211960, 218820, 317940, 394397, 437640, 635880, 788794, 1183191, 1577588, 1971985, 2366382, 2760779, 3155176, 3943970, 4732764, 5521558, 5915955, 7887940, 8282337, 9465528, 11043116, 11831910, 13803895, 15775880, 16564674, 22086232, 23663820, 27607790, 33129348, 41411685, 47327640, 55215580, 66258696, 82823370, 110431160, 165646740, 331293480]

約数ペア:

[(1, 331293480), (2, 165646740), (3, 110431160), (4, 82823370), (5, 66258696), (6, 55215580), (7, 47327640), (8, 41411685), (10, 33129348), (12, 27607790), (14, 23663820), (15, 22086232), (20, 16564674), (21, 15775880), (24, 13803895), (28, 11831910), (30, 11043116), (35, 9465528), (40, 8282337), (42, 7887940), (56, 5915955), (60, 5521558), (70, 4732764), (84, 3943970), (105, 3155176), (120, 2760779), (140, 2366382), (168, 1971985), (210, 1577588), (280, 1183191), (420, 788794), (521, 635880), (757, 437640), (840, 394397), (1042, 317940), (1514, 218820), (1563, 211960), (2084, 158970), (2271, 145880), (2605, 127176), (3028, 109410), (3126, 105980), (3647, 90840), (3785, 87528), (4168, 79485), (4542, 72940), (5210, 63588), (5299, 62520), (6056, 54705), (6252, 52990), (7294, 45420), (7570, 43764), (7815, 42392), (9084, 36470), (10420, 31794), (10598, 31260), (10941, 30280), (11355, 29176), (12504, 26495), (14588, 22710), (15140, 21882), (15630, 21196), (15897, 20840), (18168, 18235)]