331448280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 1035417600

約数和(自身を除く): 703969320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 139, 155, 186, 248, 278, 310, 372, 417, 465, 556, 620, 641, 695, 744, 834, 930, 1112, 1240, 1282, 1390, 1668, 1860, 1923, 2085, 2564, 2780, 3205, 3336, 3720, 3846, 4170, 4309, 5128, 5560, 6410, 7692, 8340, 8618, 9615, 12820, 12927, 15384, 16680, 17236, 19230, 19871, 21545, 25640, 25854, 34472, 38460, 39742, 43090, 51708, 59613, 64635, 76920, 79484, 86180, 89099, 99355, 103416, 119226, 129270, 158968, 172360, 178198, 198710, 238452, 258540, 267297, 298065, 356396, 397420, 445495, 476904, 517080, 534594, 596130, 712792, 794840, 890990, 1069188, 1192260, 1336485, 1781980, 2138376, 2384520, 2672970, 2762069, 3563960, 5345940, 5524138, 8286207, 10691880, 11048276, 13810345, 16572414, 22096552, 27620690, 33144828, 41431035, 55241380, 66289656, 82862070, 110482760, 165724140, 331448280]

約数ペア:

[(1, 331448280), (2, 165724140), (3, 110482760), (4, 82862070), (5, 66289656), (6, 55241380), (8, 41431035), (10, 33144828), (12, 27620690), (15, 22096552), (20, 16572414), (24, 13810345), (30, 11048276), (31, 10691880), (40, 8286207), (60, 5524138), (62, 5345940), (93, 3563960), (120, 2762069), (124, 2672970), (139, 2384520), (155, 2138376), (186, 1781980), (248, 1336485), (278, 1192260), (310, 1069188), (372, 890990), (417, 794840), (465, 712792), (556, 596130), (620, 534594), (641, 517080), (695, 476904), (744, 445495), (834, 397420), (930, 356396), (1112, 298065), (1240, 267297), (1282, 258540), (1390, 238452), (1668, 198710), (1860, 178198), (1923, 172360), (2085, 158968), (2564, 129270), (2780, 119226), (3205, 103416), (3336, 99355), (3720, 89099), (3846, 86180), (4170, 79484), (4309, 76920), (5128, 64635), (5560, 59613), (6410, 51708), (7692, 43090), (8340, 39742), (8618, 38460), (9615, 34472), (12820, 25854), (12927, 25640), (15384, 21545), (16680, 19871), (17236, 19230)]