31060620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4013}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 96432336

約数和(自身を除く): 65371716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 4013, 7740, 8026, 12039, 16052, 20065, 24078, 36117, 40130, 48156, 60195, 72234, 80260, 120390, 144468, 172559, 180585, 240780, 345118, 361170, 517677, 690236, 722340, 862795, 1035354, 1553031, 1725590, 2070708, 2588385, 3106062, 3451180, 5176770, 6212124, 7765155, 10353540, 15530310, 31060620]

約数ペア:

[(1, 31060620), (2, 15530310), (3, 10353540), (4, 7765155), (5, 6212124), (6, 5176770), (9, 3451180), (10, 3106062), (12, 2588385), (15, 2070708), (18, 1725590), (20, 1553031), (30, 1035354), (36, 862795), (43, 722340), (45, 690236), (60, 517677), (86, 361170), (90, 345118), (129, 240780), (172, 180585), (180, 172559), (215, 144468), (258, 120390), (387, 80260), (430, 72234), (516, 60195), (645, 48156), (774, 40130), (860, 36117), (1290, 24078), (1548, 20065), (1935, 16052), (2580, 12039), (3870, 8026), (4013, 7740)]