65888880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 205192224

約数和(自身を除く): 139303344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 977, 1124, 1405, 1686, 1954, 2248, 2810, 2931, 3372, 3908, 4215, 4496, 4885, 5620, 5862, 6744, 7816, 8430, 9770, 11240, 11724, 13488, 14655, 15632, 16860, 19540, 22480, 23448, 29310, 33720, 39080, 46896, 58620, 67440, 78160, 117240, 234480, 274537, 549074, 823611, 1098148, 1372685, 1647222, 2196296, 2745370, 3294444, 4118055, 4392592, 5490740, 6588888, 8236110, 10981480, 13177776, 16472220, 21962960, 32944440, 65888880]

約数ペア:

[(1, 65888880), (2, 32944440), (3, 21962960), (4, 16472220), (5, 13177776), (6, 10981480), (8, 8236110), (10, 6588888), (12, 5490740), (15, 4392592), (16, 4118055), (20, 3294444), (24, 2745370), (30, 2196296), (40, 1647222), (48, 1372685), (60, 1098148), (80, 823611), (120, 549074), (240, 274537), (281, 234480), (562, 117240), (843, 78160), (977, 67440), (1124, 58620), (1405, 46896), (1686, 39080), (1954, 33720), (2248, 29310), (2810, 23448), (2931, 22480), (3372, 19540), (3908, 16860), (4215, 15632), (4496, 14655), (4885, 13488), (5620, 11724), (5862, 11240), (6744, 9770), (7816, 8430)]