81333840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48413}}^1$

素因数の和:48436

約数の個数: 80

約数和(自身を含む): 288160128

約数和(自身を除く): 206826288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48413, 96826, 145239, 193652, 242065, 290478, 338891, 387304, 484130, 580956, 677782, 726195, 774608, 968260, 1016673, 1161912, 1355564, 1452390, 1694455, 1936520, 2033346, 2323824, 2711128, 2904780, 3388910, 3873040, 4066692, 5083365, 5422256, 5809560, 6777820, 8133384, 10166730, 11619120, 13555640, 16266768, 20333460, 27111280, 40666920, 81333840]

約数ペア:

[(1, 81333840), (2, 40666920), (3, 27111280), (4, 20333460), (5, 16266768), (6, 13555640), (7, 11619120), (8, 10166730), (10, 8133384), (12, 6777820), (14, 5809560), (15, 5422256), (16, 5083365), (20, 4066692), (21, 3873040), (24, 3388910), (28, 2904780), (30, 2711128), (35, 2323824), (40, 2033346), (42, 1936520), (48, 1694455), (56, 1452390), (60, 1355564), (70, 1161912), (80, 1016673), (84, 968260), (105, 774608), (112, 726195), (120, 677782), (140, 580956), (168, 484130), (210, 387304), (240, 338891), (280, 290478), (336, 242065), (420, 193652), (560, 145239), (840, 96826), (1680, 48413)]