69616620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{881}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 211891680

約数和(自身を除く): 142275060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 881, 1317, 1756, 1762, 2195, 2634, 2643, 3524, 3951, 4390, 4405, 5268, 5286, 6585, 7902, 7929, 8780, 8810, 10572, 13170, 13215, 15804, 15858, 17620, 19755, 26340, 26430, 31716, 39510, 39645, 52860, 79020, 79290, 158580, 386759, 773518, 1160277, 1547036, 1933795, 2320554, 3480831, 3867590, 4641108, 5801385, 6961662, 7735180, 11602770, 13923324, 17404155, 23205540, 34808310, 69616620]

約数ペア:

[(1, 69616620), (2, 34808310), (3, 23205540), (4, 17404155), (5, 13923324), (6, 11602770), (9, 7735180), (10, 6961662), (12, 5801385), (15, 4641108), (18, 3867590), (20, 3480831), (30, 2320554), (36, 1933795), (45, 1547036), (60, 1160277), (90, 773518), (180, 386759), (439, 158580), (878, 79290), (881, 79020), (1317, 52860), (1756, 39645), (1762, 39510), (2195, 31716), (2634, 26430), (2643, 26340), (3524, 19755), (3951, 17620), (4390, 15858), (4405, 15804), (5268, 13215), (5286, 13170), (6585, 10572), (7902, 8810), (7929, 8780)]