285205680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{396119}}^1$

素因数の和:396138

約数の個数: 60

約数和(自身を含む): 957818160

約数和(自身を除く): 672612480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 396119, 792238, 1188357, 1584476, 1980595, 2376714, 3168952, 3565071, 3961190, 4753428, 5941785, 6337904, 7130142, 7922380, 9506856, 11883570, 14260284, 15844760, 17825355, 19013712, 23767140, 28520568, 31689520, 35650710, 47534280, 57041136, 71301420, 95068560, 142602840, 285205680]

約数ペア:

[(1, 285205680), (2, 142602840), (3, 95068560), (4, 71301420), (5, 57041136), (6, 47534280), (8, 35650710), (9, 31689520), (10, 28520568), (12, 23767140), (15, 19013712), (16, 17825355), (18, 15844760), (20, 14260284), (24, 11883570), (30, 9506856), (36, 7922380), (40, 7130142), (45, 6337904), (48, 5941785), (60, 4753428), (72, 3961190), (80, 3565071), (90, 3168952), (120, 2376714), (144, 1980595), (180, 1584476), (240, 1188357), (360, 792238), (720, 396119)]