16515240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19661}}^1$

素因数の和:19682

約数の個数: 64

約数和(自身を含む): 56626560

約数和(自身を除く): 40111320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19661, 39322, 58983, 78644, 98305, 117966, 137627, 157288, 196610, 235932, 275254, 294915, 393220, 412881, 471864, 550508, 589830, 688135, 786440, 825762, 1101016, 1179660, 1376270, 1651524, 2064405, 2359320, 2752540, 3303048, 4128810, 5505080, 8257620, 16515240]

約数ペア:

[(1, 16515240), (2, 8257620), (3, 5505080), (4, 4128810), (5, 3303048), (6, 2752540), (7, 2359320), (8, 2064405), (10, 1651524), (12, 1376270), (14, 1179660), (15, 1101016), (20, 825762), (21, 786440), (24, 688135), (28, 589830), (30, 550508), (35, 471864), (40, 412881), (42, 393220), (56, 294915), (60, 275254), (70, 235932), (84, 196610), (105, 157288), (120, 137627), (140, 117966), (168, 98305), (210, 78644), (280, 58983), (420, 39322), (840, 19661)]