77911920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108211}}^1$

素因数の和:108230

約数の個数: 60

約数和(自身を含む): 261656616

約数和(自身を除く): 183744696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 108211, 216422, 324633, 432844, 541055, 649266, 865688, 973899, 1082110, 1298532, 1623165, 1731376, 1947798, 2164220, 2597064, 3246330, 3895596, 4328440, 4869495, 5194128, 6492660, 7791192, 8656880, 9738990, 12985320, 15582384, 19477980, 25970640, 38955960, 77911920]

約数ペア:

[(1, 77911920), (2, 38955960), (3, 25970640), (4, 19477980), (5, 15582384), (6, 12985320), (8, 9738990), (9, 8656880), (10, 7791192), (12, 6492660), (15, 5194128), (16, 4869495), (18, 4328440), (20, 3895596), (24, 3246330), (30, 2597064), (36, 2164220), (40, 1947798), (45, 1731376), (48, 1623165), (60, 1298532), (72, 1082110), (80, 973899), (90, 865688), (120, 649266), (144, 541055), (180, 432844), (240, 324633), (360, 216422), (720, 108211)]