61439280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{36571}}^1$

素因数の和:36594

約数の個数: 80

約数和(自身を含む): 217676544

約数和(自身を除く): 156237264

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, 36571, 73142, 109713, 146284, 182855, 219426, 255997, 292568, 365710, 438852, 511994, 548565, 585136, 731420, 767991, 877704, 1023988, 1097130, 1279985, 1462840, 1535982, 1755408, 2047976, 2194260, 2559970, 2925680, 3071964, 3839955, 4095952, 4388520, 5119940, 6143928, 7679910, 8777040, 10239880, 12287856, 15359820, 20479760, 30719640, 61439280]

約数ペア:

[(1, 61439280), (2, 30719640), (3, 20479760), (4, 15359820), (5, 12287856), (6, 10239880), (7, 8777040), (8, 7679910), (10, 6143928), (12, 5119940), (14, 4388520), (15, 4095952), (16, 3839955), (20, 3071964), (21, 2925680), (24, 2559970), (28, 2194260), (30, 2047976), (35, 1755408), (40, 1535982), (42, 1462840), (48, 1279985), (56, 1097130), (60, 1023988), (70, 877704), (80, 767991), (84, 731420), (105, 585136), (112, 548565), (120, 511994), (140, 438852), (168, 365710), (210, 292568), (240, 255997), (280, 219426), (336, 182855), (420, 146284), (560, 109713), (840, 73142), (1680, 36571)]