64844880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{997}}^1$

素因数の和:1284

約数の個数: 80

約数和(自身を含む): 201963264

約数和(自身を除く): 137118384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 997, 1084, 1355, 1626, 1994, 2168, 2710, 2991, 3252, 3988, 4065, 4336, 4985, 5420, 5982, 6504, 7976, 8130, 9970, 10840, 11964, 13008, 14955, 15952, 16260, 19940, 21680, 23928, 29910, 32520, 39880, 47856, 59820, 65040, 79760, 119640, 239280, 270187, 540374, 810561, 1080748, 1350935, 1621122, 2161496, 2701870, 3242244, 4052805, 4322992, 5403740, 6484488, 8105610, 10807480, 12968976, 16211220, 21614960, 32422440, 64844880]

約数ペア:

[(1, 64844880), (2, 32422440), (3, 21614960), (4, 16211220), (5, 12968976), (6, 10807480), (8, 8105610), (10, 6484488), (12, 5403740), (15, 4322992), (16, 4052805), (20, 3242244), (24, 2701870), (30, 2161496), (40, 1621122), (48, 1350935), (60, 1080748), (80, 810561), (120, 540374), (240, 270187), (271, 239280), (542, 119640), (813, 79760), (997, 65040), (1084, 59820), (1355, 47856), (1626, 39880), (1994, 32520), (2168, 29910), (2710, 23928), (2991, 21680), (3252, 19940), (3988, 16260), (4065, 15952), (4336, 14955), (4985, 13008), (5420, 11964), (5982, 10840), (6504, 9970), (7976, 8130)]