66907680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19913}}^1$

素因数の和:19938

約数の個数: 96

約数和(自身を含む): 240879744

約数和(自身を除く): 173972064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 19913, 39826, 59739, 79652, 99565, 119478, 139391, 159304, 199130, 238956, 278782, 298695, 318608, 398260, 418173, 477912, 557564, 597390, 637216, 696955, 796520, 836346, 955824, 1115128, 1194780, 1393910, 1593040, 1672692, 1911648, 2090865, 2230256, 2389560, 2787820, 3186080, 3345384, 4181730, 4460512, 4779120, 5575640, 6690768, 8363460, 9558240, 11151280, 13381536, 16726920, 22302560, 33453840, 66907680]

約数ペア:

[(1, 66907680), (2, 33453840), (3, 22302560), (4, 16726920), (5, 13381536), (6, 11151280), (7, 9558240), (8, 8363460), (10, 6690768), (12, 5575640), (14, 4779120), (15, 4460512), (16, 4181730), (20, 3345384), (21, 3186080), (24, 2787820), (28, 2389560), (30, 2230256), (32, 2090865), (35, 1911648), (40, 1672692), (42, 1593040), (48, 1393910), (56, 1194780), (60, 1115128), (70, 955824), (80, 836346), (84, 796520), (96, 696955), (105, 637216), (112, 597390), (120, 557564), (140, 477912), (160, 418173), (168, 398260), (210, 318608), (224, 298695), (240, 278782), (280, 238956), (336, 199130), (420, 159304), (480, 139391), (560, 119478), (672, 99565), (840, 79652), (1120, 59739), (1680, 39826), (3360, 19913)]