65406180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22247}}^1$

素因数の和:22273

約数の個数: 72

約数和(自身を含む): 213046848

約数和(自身を除く): 147640668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22247, 44494, 66741, 88988, 111235, 133482, 155729, 222470, 266964, 311458, 333705, 444940, 467187, 622916, 667410, 778645, 934374, 1090103, 1334820, 1557290, 1868748, 2180206, 2335935, 3114580, 3270309, 4360412, 4671870, 5450515, 6540618, 9343740, 10901030, 13081236, 16351545, 21802060, 32703090, 65406180]

約数ペア:

[(1, 65406180), (2, 32703090), (3, 21802060), (4, 16351545), (5, 13081236), (6, 10901030), (7, 9343740), (10, 6540618), (12, 5450515), (14, 4671870), (15, 4360412), (20, 3270309), (21, 3114580), (28, 2335935), (30, 2180206), (35, 1868748), (42, 1557290), (49, 1334820), (60, 1090103), (70, 934374), (84, 778645), (98, 667410), (105, 622916), (140, 467187), (147, 444940), (196, 333705), (210, 311458), (245, 266964), (294, 222470), (420, 155729), (490, 133482), (588, 111235), (735, 88988), (980, 66741), (1470, 44494), (2940, 22247)]