153712880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61981}}^1$

素因数の和:62025

約数の個数: 40

約数和(自身を含む): 368916864

約数和(自身を除く): 215203984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 61981, 123962, 247924, 309905, 495848, 619810, 991696, 1239620, 1921411, 2479240, 3842822, 4958480, 7685644, 9607055, 15371288, 19214110, 30742576, 38428220, 76856440, 153712880]

約数ペア:

[(1, 153712880), (2, 76856440), (4, 38428220), (5, 30742576), (8, 19214110), (10, 15371288), (16, 9607055), (20, 7685644), (31, 4958480), (40, 3842822), (62, 2479240), (80, 1921411), (124, 1239620), (155, 991696), (248, 619810), (310, 495848), (496, 309905), (620, 247924), (1240, 123962), (2480, 61981)]