400999080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77713}}^1$

素因数の和:77770

約数の個数: 64

約数和(自身を含む): 1230989760

約数和(自身を除く): 829990680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 77713, 155426, 233139, 310852, 388565, 466278, 621704, 777130, 932556, 1165695, 1554260, 1865112, 2331390, 3108520, 3341659, 4662780, 6683318, 9325560, 10024977, 13366636, 16708295, 20049954, 26733272, 33416590, 40099908, 50124885, 66833180, 80199816, 100249770, 133666360, 200499540, 400999080]

約数ペア:

[(1, 400999080), (2, 200499540), (3, 133666360), (4, 100249770), (5, 80199816), (6, 66833180), (8, 50124885), (10, 40099908), (12, 33416590), (15, 26733272), (20, 20049954), (24, 16708295), (30, 13366636), (40, 10024977), (43, 9325560), (60, 6683318), (86, 4662780), (120, 3341659), (129, 3108520), (172, 2331390), (215, 1865112), (258, 1554260), (344, 1165695), (430, 932556), (516, 777130), (645, 621704), (860, 466278), (1032, 388565), (1290, 310852), (1720, 233139), (2580, 155426), (5160, 77713)]