15678866544220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{145147811}}^1$

素因数の和:145148322

約数の個数: 48

約数和(自身を含む): 35992012646016

約数和(自身を除く): 20313146101796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 491, 982, 1964, 2455, 4910, 5401, 9820, 10802, 21604, 27005, 54010, 108020, 145147811, 290295622, 580591244, 725739055, 1451478110, 1596625921, 2902956220, 3193251842, 6386503684, 7983129605, 15966259210, 31932518420, 71267575201, 142535150402, 285070300804, 356337876005, 712675752010, 783943327211, 1425351504020, 1567886654422, 3135773308844, 3919716636055, 7839433272110, 15678866544220]

約数ペア:

[(1, 15678866544220), (2, 7839433272110), (4, 3919716636055), (5, 3135773308844), (10, 1567886654422), (11, 1425351504020), (20, 783943327211), (22, 712675752010), (44, 356337876005), (55, 285070300804), (110, 142535150402), (220, 71267575201), (491, 31932518420), (982, 15966259210), (1964, 7983129605), (2455, 6386503684), (4910, 3193251842), (5401, 2902956220), (9820, 1596625921), (10802, 1451478110), (21604, 725739055), (27005, 580591244), (54010, 290295622), (108020, 145147811)]