81487680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2927}}^1$

素因数の和:2976

約数の個数: 112

約数和(自身を含む): 267736320

約数和(自身を除く): 186248640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 2927, 3480, 4640, 5568, 5854, 6960, 8781, 9280, 11708, 13920, 14635, 17562, 23416, 27840, 29270, 35124, 43905, 46832, 58540, 70248, 84883, 87810, 93664, 117080, 140496, 169766, 175620, 187328, 234160, 254649, 280992, 339532, 351240, 424415, 468320, 509298, 561984, 679064, 702480, 848830, 936640, 1018596, 1273245, 1358128, 1404960, 1697660, 2037192, 2546490, 2716256, 2809920, 3395320, 4074384, 5092980, 5432512, 6790640, 8148768, 10185960, 13581280, 16297536, 20371920, 27162560, 40743840, 81487680]

約数ペア:

[(1, 81487680), (2, 40743840), (3, 27162560), (4, 20371920), (5, 16297536), (6, 13581280), (8, 10185960), (10, 8148768), (12, 6790640), (15, 5432512), (16, 5092980), (20, 4074384), (24, 3395320), (29, 2809920), (30, 2716256), (32, 2546490), (40, 2037192), (48, 1697660), (58, 1404960), (60, 1358128), (64, 1273245), (80, 1018596), (87, 936640), (96, 848830), (116, 702480), (120, 679064), (145, 561984), (160, 509298), (174, 468320), (192, 424415), (232, 351240), (240, 339532), (290, 280992), (320, 254649), (348, 234160), (435, 187328), (464, 175620), (480, 169766), (580, 140496), (696, 117080), (870, 93664), (928, 87810), (960, 84883), (1160, 70248), (1392, 58540), (1740, 46832), (1856, 43905), (2320, 35124), (2784, 29270), (2927, 27840), (3480, 23416), (4640, 17562), (5568, 14635), (5854, 13920), (6960, 11708), (8781, 9280)]