81771180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43963}}^1$

素因数の和:44006

約数の個数: 48

約数和(自身を含む): 236350464

約数和(自身を除く): 154579284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 43963, 87926, 131889, 175852, 219815, 263778, 439630, 527556, 659445, 879260, 1318890, 1362853, 2637780, 2725706, 4088559, 5451412, 6814265, 8177118, 13628530, 16354236, 20442795, 27257060, 40885590, 81771180]

約数ペア:

[(1, 81771180), (2, 40885590), (3, 27257060), (4, 20442795), (5, 16354236), (6, 13628530), (10, 8177118), (12, 6814265), (15, 5451412), (20, 4088559), (30, 2725706), (31, 2637780), (60, 1362853), (62, 1318890), (93, 879260), (124, 659445), (155, 527556), (186, 439630), (310, 263778), (372, 219815), (465, 175852), (620, 131889), (930, 87926), (1860, 43963)]