131999280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{78571}}^1$

素因数の和:78594

約数の個数: 80

約数和(自身を含む): 467660544

約数和(自身を除く): 335661264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 78571, 157142, 235713, 314284, 392855, 471426, 549997, 628568, 785710, 942852, 1099994, 1178565, 1257136, 1571420, 1649991, 1885704, 2199988, 2357130, 2749985, 3142840, 3299982, 3771408, 4399976, 4714260, 5499970, 6285680, 6599964, 8249955, 8799952, 9428520, 10999940, 13199928, 16499910, 18857040, 21999880, 26399856, 32999820, 43999760, 65999640, 131999280]

約数ペア:

[(1, 131999280), (2, 65999640), (3, 43999760), (4, 32999820), (5, 26399856), (6, 21999880), (7, 18857040), (8, 16499910), (10, 13199928), (12, 10999940), (14, 9428520), (15, 8799952), (16, 8249955), (20, 6599964), (21, 6285680), (24, 5499970), (28, 4714260), (30, 4399976), (35, 3771408), (40, 3299982), (42, 3142840), (48, 2749985), (56, 2357130), (60, 2199988), (70, 1885704), (80, 1649991), (84, 1571420), (105, 1257136), (112, 1178565), (120, 1099994), (140, 942852), (168, 785710), (210, 628568), (240, 549997), (280, 471426), (336, 392855), (420, 314284), (560, 235713), (840, 157142), (1680, 78571)]