1264711960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{2663}}^1$

素因数の和:3088

約数の個数: 64

約数和(自身を含む): 2946170880

約数和(自身を除く): 1681458920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 383, 620, 766, 1240, 1532, 1915, 2663, 3064, 3830, 5326, 7660, 10652, 11873, 13315, 15320, 21304, 23746, 26630, 47492, 53260, 59365, 82553, 94984, 106520, 118730, 165106, 237460, 330212, 412765, 474920, 660424, 825530, 1019929, 1651060, 2039858, 3302120, 4079716, 5099645, 8159432, 10199290, 20398580, 31617799, 40797160, 63235598, 126471196, 158088995, 252942392, 316177990, 632355980, 1264711960]

約数ペア:

[(1, 1264711960), (2, 632355980), (4, 316177990), (5, 252942392), (8, 158088995), (10, 126471196), (20, 63235598), (31, 40797160), (40, 31617799), (62, 20398580), (124, 10199290), (155, 8159432), (248, 5099645), (310, 4079716), (383, 3302120), (620, 2039858), (766, 1651060), (1240, 1019929), (1532, 825530), (1915, 660424), (2663, 474920), (3064, 412765), (3830, 330212), (5326, 237460), (7660, 165106), (10652, 118730), (11873, 106520), (13315, 94984), (15320, 82553), (21304, 59365), (23746, 53260), (26630, 47492)]