81680760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32413}}^1$

素因数の和:32437

約数の個数: 96

約数和(自身を含む): 303395040

約数和(自身を除く): 221714280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32413, 64826, 97239, 129652, 162065, 194478, 226891, 259304, 291717, 324130, 388956, 453782, 486195, 583434, 648260, 680673, 777912, 907564, 972390, 1134455, 1166868, 1296520, 1361346, 1458585, 1815128, 1944780, 2042019, 2268910, 2333736, 2722692, 2917170, 3403365, 3889560, 4084038, 4537820, 5445384, 5834340, 6806730, 8168076, 9075640, 10210095, 11668680, 13613460, 16336152, 20420190, 27226920, 40840380, 81680760]

約数ペア:

[(1, 81680760), (2, 40840380), (3, 27226920), (4, 20420190), (5, 16336152), (6, 13613460), (7, 11668680), (8, 10210095), (9, 9075640), (10, 8168076), (12, 6806730), (14, 5834340), (15, 5445384), (18, 4537820), (20, 4084038), (21, 3889560), (24, 3403365), (28, 2917170), (30, 2722692), (35, 2333736), (36, 2268910), (40, 2042019), (42, 1944780), (45, 1815128), (56, 1458585), (60, 1361346), (63, 1296520), (70, 1166868), (72, 1134455), (84, 972390), (90, 907564), (105, 777912), (120, 680673), (126, 648260), (140, 583434), (168, 486195), (180, 453782), (210, 388956), (252, 324130), (280, 291717), (315, 259304), (360, 226891), (420, 194478), (504, 162065), (630, 129652), (840, 97239), (1260, 64826), (2520, 32413)]