161380120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{33343}}^1$

素因数の和:33376

約数の個数: 48

約数和(自身を含む): 399127680

約数和(自身を除く): 237747560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 33343, 66686, 133372, 166715, 266744, 333430, 366773, 666860, 733546, 1333720, 1467092, 1833865, 2934184, 3667730, 4034503, 7335460, 8069006, 14670920, 16138012, 20172515, 32276024, 40345030, 80690060, 161380120]

約数ペア:

[(1, 161380120), (2, 80690060), (4, 40345030), (5, 32276024), (8, 20172515), (10, 16138012), (11, 14670920), (20, 8069006), (22, 7335460), (40, 4034503), (44, 3667730), (55, 2934184), (88, 1833865), (110, 1467092), (121, 1333720), (220, 733546), (242, 666860), (440, 366773), (484, 333430), (605, 266744), (968, 166715), (1210, 133372), (2420, 66686), (4840, 33343)]