31038480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3919}}^1$

素因数の和:3949

約数の個数: 120

約数和(自身を含む): 113742720

約数和(自身を除く): 82704240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3919, 3960, 7838, 7920, 11757, 15676, 19595, 23514, 31352, 35271, 39190, 43109, 47028, 58785, 62704, 70542, 78380, 86218, 94056, 117570, 129327, 141084, 156760, 172436, 176355, 188112, 215545, 235140, 258654, 282168, 313520, 344872, 352710, 387981, 431090, 470280, 517308, 564336, 646635, 689744, 705420, 775962, 862180, 940560, 1034616, 1293270, 1410840, 1551924, 1724360, 1939905, 2069232, 2586540, 2821680, 3103848, 3448720, 3879810, 5173080, 6207696, 7759620, 10346160, 15519240, 31038480]

約数ペア:

[(1, 31038480), (2, 15519240), (3, 10346160), (4, 7759620), (5, 6207696), (6, 5173080), (8, 3879810), (9, 3448720), (10, 3103848), (11, 2821680), (12, 2586540), (15, 2069232), (16, 1939905), (18, 1724360), (20, 1551924), (22, 1410840), (24, 1293270), (30, 1034616), (33, 940560), (36, 862180), (40, 775962), (44, 705420), (45, 689744), (48, 646635), (55, 564336), (60, 517308), (66, 470280), (72, 431090), (80, 387981), (88, 352710), (90, 344872), (99, 313520), (110, 282168), (120, 258654), (132, 235140), (144, 215545), (165, 188112), (176, 176355), (180, 172436), (198, 156760), (220, 141084), (240, 129327), (264, 117570), (330, 94056), (360, 86218), (396, 78380), (440, 70542), (495, 62704), (528, 58785), (660, 47028), (720, 43109), (792, 39190), (880, 35271), (990, 31352), (1320, 23514), (1584, 19595), (1980, 15676), (2640, 11757), (3919, 7920), (3960, 7838)]