7561980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 23495472

約数和(自身を除く): 15933492

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, 977, 1290, 1548, 1935, 1954, 2580, 2931, 3870, 3908, 4885, 5862, 7740, 8793, 9770, 11724, 14655, 17586, 19540, 29310, 35172, 42011, 43965, 58620, 84022, 87930, 126033, 168044, 175860, 210055, 252066, 378099, 420110, 504132, 630165, 756198, 840220, 1260330, 1512396, 1890495, 2520660, 3780990, 7561980]

約数ペア:

[(1, 7561980), (2, 3780990), (3, 2520660), (4, 1890495), (5, 1512396), (6, 1260330), (9, 840220), (10, 756198), (12, 630165), (15, 504132), (18, 420110), (20, 378099), (30, 252066), (36, 210055), (43, 175860), (45, 168044), (60, 126033), (86, 87930), (90, 84022), (129, 58620), (172, 43965), (180, 42011), (215, 35172), (258, 29310), (387, 19540), (430, 17586), (516, 14655), (645, 11724), (774, 9770), (860, 8793), (977, 7740), (1290, 5862), (1548, 4885), (1935, 3908), (1954, 3870), (2580, 2931)]