311915760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:675

約数の個数: 160

約数和(自身を含む): 1048057920

約数和(自身を除く): 736142160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 257, 260, 312, 389, 390, 514, 520, 624, 771, 778, 780, 1028, 1040, 1167, 1285, 1542, 1556, 1560, 1945, 2056, 2334, 2570, 3084, 3112, 3120, 3341, 3855, 3890, 4112, 4668, 5057, 5140, 5835, 6168, 6224, 6682, 7710, 7780, 9336, 10023, 10114, 10280, 11670, 12336, 13364, 15171, 15420, 15560, 16705, 18672, 20046, 20228, 20560, 23340, 25285, 26728, 30342, 30840, 31120, 33410, 40092, 40456, 46680, 50115, 50570, 53456, 60684, 61680, 66820, 75855, 80184, 80912, 93360, 99973, 100230, 101140, 121368, 133640, 151710, 160368, 199946, 200460, 202280, 242736, 267280, 299919, 303420, 399892, 400920, 404560, 499865, 599838, 606840, 799784, 801840, 999730, 1199676, 1213680, 1299649, 1499595, 1599568, 1999460, 2399352, 2599298, 2999190, 3898947, 3998920, 4798704, 5198596, 5998380, 6498245, 7797894, 7997840, 10397192, 11996760, 12996490, 15595788, 19494735, 20794384, 23993520, 25992980, 31191576, 38989470, 51985960, 62383152, 77978940, 103971920, 155957880, 311915760]

約数ペア:

[(1, 311915760), (2, 155957880), (3, 103971920), (4, 77978940), (5, 62383152), (6, 51985960), (8, 38989470), (10, 31191576), (12, 25992980), (13, 23993520), (15, 20794384), (16, 19494735), (20, 15595788), (24, 12996490), (26, 11996760), (30, 10397192), (39, 7997840), (40, 7797894), (48, 6498245), (52, 5998380), (60, 5198596), (65, 4798704), (78, 3998920), (80, 3898947), (104, 2999190), (120, 2599298), (130, 2399352), (156, 1999460), (195, 1599568), (208, 1499595), (240, 1299649), (257, 1213680), (260, 1199676), (312, 999730), (389, 801840), (390, 799784), (514, 606840), (520, 599838), (624, 499865), (771, 404560), (778, 400920), (780, 399892), (1028, 303420), (1040, 299919), (1167, 267280), (1285, 242736), (1542, 202280), (1556, 200460), (1560, 199946), (1945, 160368), (2056, 151710), (2334, 133640), (2570, 121368), (3084, 101140), (3112, 100230), (3120, 99973), (3341, 93360), (3855, 80912), (3890, 80184), (4112, 75855), (4668, 66820), (5057, 61680), (5140, 60684), (5835, 53456), (6168, 50570), (6224, 50115), (6682, 46680), (7710, 40456), (7780, 40092), (9336, 33410), (10023, 31120), (10114, 30840), (10280, 30342), (11670, 26728), (12336, 25285), (13364, 23340), (15171, 20560), (15420, 20228), (15560, 20046), (16705, 18672)]