64427580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51133}}^1$

素因数の和:51155

約数の個数: 72

約数和(自身を含む): 223353312

約数和(自身を除く): 158925732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51133, 102266, 153399, 204532, 255665, 306798, 357931, 460197, 511330, 613596, 715862, 766995, 920394, 1022660, 1073793, 1431724, 1533990, 1789655, 1840788, 2147586, 2300985, 3067980, 3221379, 3579310, 4295172, 4601970, 5368965, 6442758, 7158620, 9203940, 10737930, 12885516, 16106895, 21475860, 32213790, 64427580]

約数ペア:

[(1, 64427580), (2, 32213790), (3, 21475860), (4, 16106895), (5, 12885516), (6, 10737930), (7, 9203940), (9, 7158620), (10, 6442758), (12, 5368965), (14, 4601970), (15, 4295172), (18, 3579310), (20, 3221379), (21, 3067980), (28, 2300985), (30, 2147586), (35, 1840788), (36, 1789655), (42, 1533990), (45, 1431724), (60, 1073793), (63, 1022660), (70, 920394), (84, 766995), (90, 715862), (105, 613596), (126, 511330), (140, 460197), (180, 357931), (210, 306798), (252, 255665), (315, 204532), (420, 153399), (630, 102266), (1260, 51133)]