642095880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281621}}^1$

素因数の和:281654

約数の個数: 64

約数和(自身を含む): 2027678400

約数和(自身を除く): 1385582520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 281621, 563242, 844863, 1126484, 1408105, 1689726, 2252968, 2816210, 3379452, 4224315, 5350799, 5632420, 6758904, 8448630, 10701598, 11264840, 16052397, 16897260, 21403196, 26753995, 32104794, 33794520, 42806392, 53507990, 64209588, 80261985, 107015980, 128419176, 160523970, 214031960, 321047940, 642095880]

約数ペア:

[(1, 642095880), (2, 321047940), (3, 214031960), (4, 160523970), (5, 128419176), (6, 107015980), (8, 80261985), (10, 64209588), (12, 53507990), (15, 42806392), (19, 33794520), (20, 32104794), (24, 26753995), (30, 21403196), (38, 16897260), (40, 16052397), (57, 11264840), (60, 10701598), (76, 8448630), (95, 6758904), (114, 5632420), (120, 5350799), (152, 4224315), (190, 3379452), (228, 2816210), (285, 2252968), (380, 1689726), (456, 1408105), (570, 1126484), (760, 844863), (1140, 563242), (2280, 281621)]