664602960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{395597}}^1$

素因数の和:395620

約数の個数: 80

約数和(自身を含む): 2354599296

約数和(自身を除く): 1689996336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 395597, 791194, 1186791, 1582388, 1977985, 2373582, 2769179, 3164776, 3955970, 4747164, 5538358, 5933955, 6329552, 7911940, 8307537, 9494328, 11076716, 11867910, 13845895, 15823880, 16615074, 18988656, 22153432, 23735820, 27691790, 31647760, 33230148, 41537685, 44306864, 47471640, 55383580, 66460296, 83075370, 94943280, 110767160, 132920592, 166150740, 221534320, 332301480, 664602960]

約数ペア:

[(1, 664602960), (2, 332301480), (3, 221534320), (4, 166150740), (5, 132920592), (6, 110767160), (7, 94943280), (8, 83075370), (10, 66460296), (12, 55383580), (14, 47471640), (15, 44306864), (16, 41537685), (20, 33230148), (21, 31647760), (24, 27691790), (28, 23735820), (30, 22153432), (35, 18988656), (40, 16615074), (42, 15823880), (48, 13845895), (56, 11867910), (60, 11076716), (70, 9494328), (80, 8307537), (84, 7911940), (105, 6329552), (112, 5933955), (120, 5538358), (140, 4747164), (168, 3955970), (210, 3164776), (240, 2769179), (280, 2373582), (336, 1977985), (420, 1582388), (560, 1186791), (840, 791194), (1680, 395597)]