81313620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43717}}^1$

素因数の和:43760

約数の個数: 48

約数和(自身を含む): 235027968

約数和(自身を除く): 153714348

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, 43717, 87434, 131151, 174868, 218585, 262302, 437170, 524604, 655755, 874340, 1311510, 1355227, 2623020, 2710454, 4065681, 5420908, 6776135, 8131362, 13552270, 16262724, 20328405, 27104540, 40656810, 81313620]

約数ペア:

[(1, 81313620), (2, 40656810), (3, 27104540), (4, 20328405), (5, 16262724), (6, 13552270), (10, 8131362), (12, 6776135), (15, 5420908), (20, 4065681), (30, 2710454), (31, 2623020), (60, 1355227), (62, 1311510), (93, 874340), (124, 655755), (155, 524604), (186, 437170), (310, 262302), (372, 218585), (465, 174868), (620, 131151), (930, 87434), (1860, 43717)]