31206960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:595

約数の個数: 120

約数和(自身を含む): 106198560

約数和(自身を除く): 74991600

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, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 487, 534, 712, 720, 801, 890, 974, 1068, 1335, 1424, 1461, 1602, 1780, 1948, 2136, 2435, 2670, 2922, 3204, 3560, 3896, 4005, 4272, 4383, 4870, 5340, 5844, 6408, 7120, 7305, 7792, 8010, 8766, 9740, 10680, 11688, 12816, 14610, 16020, 17532, 19480, 21360, 21915, 23376, 29220, 32040, 35064, 38960, 43343, 43830, 58440, 64080, 70128, 86686, 87660, 116880, 130029, 173372, 175320, 216715, 260058, 346744, 350640, 390087, 433430, 520116, 650145, 693488, 780174, 866860, 1040232, 1300290, 1560348, 1733720, 1950435, 2080464, 2600580, 3120696, 3467440, 3900870, 5201160, 6241392, 7801740, 10402320, 15603480, 31206960]

約数ペア:

[(1, 31206960), (2, 15603480), (3, 10402320), (4, 7801740), (5, 6241392), (6, 5201160), (8, 3900870), (9, 3467440), (10, 3120696), (12, 2600580), (15, 2080464), (16, 1950435), (18, 1733720), (20, 1560348), (24, 1300290), (30, 1040232), (36, 866860), (40, 780174), (45, 693488), (48, 650145), (60, 520116), (72, 433430), (80, 390087), (89, 350640), (90, 346744), (120, 260058), (144, 216715), (178, 175320), (180, 173372), (240, 130029), (267, 116880), (356, 87660), (360, 86686), (445, 70128), (487, 64080), (534, 58440), (712, 43830), (720, 43343), (801, 38960), (890, 35064), (974, 32040), (1068, 29220), (1335, 23376), (1424, 21915), (1461, 21360), (1602, 19480), (1780, 17532), (1948, 16020), (2136, 14610), (2435, 12816), (2670, 11688), (2922, 10680), (3204, 9740), (3560, 8766), (3896, 8010), (4005, 7792), (4272, 7305), (4383, 7120), (4870, 6408), (5340, 5844)]