399069840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9839}}^1$

素因数の和:9881

約数の個数: 120

約数和(自身を含む): 1339735680

約数和(自身を除く): 940665840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 9839, 10140, 13520, 19678, 20280, 29517, 39356, 40560, 49195, 59034, 78712, 98390, 118068, 127907, 147585, 157424, 196780, 236136, 255814, 295170, 383721, 393560, 472272, 511628, 590340, 639535, 767442, 787120, 1023256, 1180680, 1279070, 1534884, 1662791, 1918605, 2046512, 2361360, 2558140, 3069768, 3325582, 3837210, 4988373, 5116280, 6139536, 6651164, 7674420, 8313955, 9976746, 10232560, 13302328, 15348840, 16627910, 19953492, 24941865, 26604656, 30697680, 33255820, 39906984, 49883730, 66511640, 79813968, 99767460, 133023280, 199534920, 399069840]

約数ペア:

[(1, 399069840), (2, 199534920), (3, 133023280), (4, 99767460), (5, 79813968), (6, 66511640), (8, 49883730), (10, 39906984), (12, 33255820), (13, 30697680), (15, 26604656), (16, 24941865), (20, 19953492), (24, 16627910), (26, 15348840), (30, 13302328), (39, 10232560), (40, 9976746), (48, 8313955), (52, 7674420), (60, 6651164), (65, 6139536), (78, 5116280), (80, 4988373), (104, 3837210), (120, 3325582), (130, 3069768), (156, 2558140), (169, 2361360), (195, 2046512), (208, 1918605), (240, 1662791), (260, 1534884), (312, 1279070), (338, 1180680), (390, 1023256), (507, 787120), (520, 767442), (624, 639535), (676, 590340), (780, 511628), (845, 472272), (1014, 393560), (1040, 383721), (1352, 295170), (1560, 255814), (1690, 236136), (2028, 196780), (2535, 157424), (2704, 147585), (3120, 127907), (3380, 118068), (4056, 98390), (5070, 78712), (6760, 59034), (8112, 49195), (9839, 40560), (10140, 39356), (13520, 29517), (19678, 20280)]