121445840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 293887440

約数和(自身を除く): 172441600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 461, 592, 712, 740, 890, 922, 1424, 1480, 1780, 1844, 2305, 2960, 3293, 3560, 3688, 4610, 6586, 7120, 7376, 9220, 13172, 16465, 17057, 18440, 26344, 32930, 34114, 36880, 41029, 52688, 65860, 68228, 82058, 85285, 131720, 136456, 164116, 170570, 205145, 263440, 272912, 328232, 341140, 410290, 656464, 682280, 820580, 1364560, 1518073, 1641160, 3036146, 3282320, 6072292, 7590365, 12144584, 15180730, 24289168, 30361460, 60722920, 121445840]

約数ペア:

[(1, 121445840), (2, 60722920), (4, 30361460), (5, 24289168), (8, 15180730), (10, 12144584), (16, 7590365), (20, 6072292), (37, 3282320), (40, 3036146), (74, 1641160), (80, 1518073), (89, 1364560), (148, 820580), (178, 682280), (185, 656464), (296, 410290), (356, 341140), (370, 328232), (445, 272912), (461, 263440), (592, 205145), (712, 170570), (740, 164116), (890, 136456), (922, 131720), (1424, 85285), (1480, 82058), (1780, 68228), (1844, 65860), (2305, 52688), (2960, 41029), (3293, 36880), (3560, 34114), (3688, 32930), (4610, 26344), (6586, 18440), (7120, 17057), (7376, 16465), (9220, 13172)]