89138640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11981}}^1$

素因数の和:12028

約数の個数: 80

約数和(自身を含む): 285267456

約数和(自身を除く): 196128816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 11981, 23962, 35943, 47924, 59905, 71886, 95848, 119810, 143772, 179715, 191696, 239620, 287544, 359430, 371411, 479240, 575088, 718860, 742822, 958480, 1114233, 1437720, 1485644, 1857055, 2228466, 2875440, 2971288, 3714110, 4456932, 5571165, 5942576, 7428220, 8913864, 11142330, 14856440, 17827728, 22284660, 29712880, 44569320, 89138640]

約数ペア:

[(1, 89138640), (2, 44569320), (3, 29712880), (4, 22284660), (5, 17827728), (6, 14856440), (8, 11142330), (10, 8913864), (12, 7428220), (15, 5942576), (16, 5571165), (20, 4456932), (24, 3714110), (30, 2971288), (31, 2875440), (40, 2228466), (48, 1857055), (60, 1485644), (62, 1437720), (80, 1114233), (93, 958480), (120, 742822), (124, 718860), (155, 575088), (186, 479240), (240, 371411), (248, 359430), (310, 287544), (372, 239620), (465, 191696), (496, 179715), (620, 143772), (744, 119810), (930, 95848), (1240, 71886), (1488, 59905), (1860, 47924), (2480, 35943), (3720, 23962), (7440, 11981)]