67621540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15581}}^1$

素因数の和:15628

約数の個数: 48

約数和(自身を含む): 167537664

約数和(自身を除く): 99916124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15581, 31162, 62324, 77905, 109067, 155810, 218134, 311620, 436268, 483011, 545335, 966022, 1090670, 1932044, 2181340, 2415055, 3381077, 4830110, 6762154, 9660220, 13524308, 16905385, 33810770, 67621540]

約数ペア:

[(1, 67621540), (2, 33810770), (4, 16905385), (5, 13524308), (7, 9660220), (10, 6762154), (14, 4830110), (20, 3381077), (28, 2415055), (31, 2181340), (35, 1932044), (62, 1090670), (70, 966022), (124, 545335), (140, 483011), (155, 436268), (217, 311620), (310, 218134), (434, 155810), (620, 109067), (868, 77905), (1085, 62324), (2170, 31162), (4340, 15581)]