255837840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7669}}^1$

素因数の和:7824

約数の個数: 80

約数和(自身を含む): 798907200

約数和(自身を除く): 543069360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 5560, 6672, 7669, 8340, 11120, 15338, 16680, 23007, 30676, 33360, 38345, 46014, 61352, 76690, 92028, 115035, 122704, 153380, 184056, 230070, 306760, 368112, 460140, 613520, 920280, 1065991, 1840560, 2131982, 3197973, 4263964, 5329955, 6395946, 8527928, 10659910, 12791892, 15989865, 17055856, 21319820, 25583784, 31979730, 42639640, 51167568, 63959460, 85279280, 127918920, 255837840]

約数ペア:

[(1, 255837840), (2, 127918920), (3, 85279280), (4, 63959460), (5, 51167568), (6, 42639640), (8, 31979730), (10, 25583784), (12, 21319820), (15, 17055856), (16, 15989865), (20, 12791892), (24, 10659910), (30, 8527928), (40, 6395946), (48, 5329955), (60, 4263964), (80, 3197973), (120, 2131982), (139, 1840560), (240, 1065991), (278, 920280), (417, 613520), (556, 460140), (695, 368112), (834, 306760), (1112, 230070), (1390, 184056), (1668, 153380), (2085, 122704), (2224, 115035), (2780, 92028), (3336, 76690), (4170, 61352), (5560, 46014), (6672, 38345), (7669, 33360), (8340, 30676), (11120, 23007), (15338, 16680)]