311938140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{85229}}^1$

素因数の和:85302

約数の個数: 48

約数和(自身を含む): 887755680

約数和(自身を除く): 575817540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 85229, 170458, 255687, 340916, 426145, 511374, 852290, 1022748, 1278435, 1704580, 2556870, 5113740, 5198969, 10397938, 15596907, 20795876, 25994845, 31193814, 51989690, 62387628, 77984535, 103979380, 155969070, 311938140]

約数ペア:

[(1, 311938140), (2, 155969070), (3, 103979380), (4, 77984535), (5, 62387628), (6, 51989690), (10, 31193814), (12, 25994845), (15, 20795876), (20, 15596907), (30, 10397938), (60, 5198969), (61, 5113740), (122, 2556870), (183, 1704580), (244, 1278435), (305, 1022748), (366, 852290), (610, 511374), (732, 426145), (915, 340916), (1220, 255687), (1830, 170458), (3660, 85229)]