81075960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32173}}^1$

素因数の和:32197

約数の個数: 96

約数和(自身を含む): 301148640

約数和(自身を除く): 220072680

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, 32173, 64346, 96519, 128692, 160865, 193038, 225211, 257384, 289557, 321730, 386076, 450422, 482595, 579114, 643460, 675633, 772152, 900844, 965190, 1126055, 1158228, 1286920, 1351266, 1447785, 1801688, 1930380, 2026899, 2252110, 2316456, 2702532, 2895570, 3378165, 3860760, 4053798, 4504220, 5405064, 5791140, 6756330, 8107596, 9008440, 10134495, 11582280, 13512660, 16215192, 20268990, 27025320, 40537980, 81075960]

約数ペア:

[(1, 81075960), (2, 40537980), (3, 27025320), (4, 20268990), (5, 16215192), (6, 13512660), (7, 11582280), (8, 10134495), (9, 9008440), (10, 8107596), (12, 6756330), (14, 5791140), (15, 5405064), (18, 4504220), (20, 4053798), (21, 3860760), (24, 3378165), (28, 2895570), (30, 2702532), (35, 2316456), (36, 2252110), (40, 2026899), (42, 1930380), (45, 1801688), (56, 1447785), (60, 1351266), (63, 1286920), (70, 1158228), (72, 1126055), (84, 965190), (90, 900844), (105, 772152), (120, 675633), (126, 643460), (140, 579114), (168, 482595), (180, 450422), (210, 386076), (252, 321730), (280, 289557), (315, 257384), (360, 225211), (420, 193038), (504, 160865), (630, 128692), (840, 96519), (1260, 64346), (2520, 32173)]