66281460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157813}}^1$

素因数の和:157832

約数の個数: 48

約数和(自身を含む): 212102016

約数和(自身を除く): 145820556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 157813, 315626, 473439, 631252, 789065, 946878, 1104691, 1578130, 1893756, 2209382, 2367195, 3156260, 3314073, 4418764, 4734390, 5523455, 6628146, 9468780, 11046910, 13256292, 16570365, 22093820, 33140730, 66281460]

約数ペア:

[(1, 66281460), (2, 33140730), (3, 22093820), (4, 16570365), (5, 13256292), (6, 11046910), (7, 9468780), (10, 6628146), (12, 5523455), (14, 4734390), (15, 4418764), (20, 3314073), (21, 3156260), (28, 2367195), (30, 2209382), (35, 1893756), (42, 1578130), (60, 1104691), (70, 946878), (84, 789065), (105, 631252), (140, 473439), (210, 315626), (420, 157813)]