81470760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96989}}^1$

素因数の和:97010

約数の個数: 64

約数和(自身を含む): 279331200

約数和(自身を除く): 197860440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96989, 193978, 290967, 387956, 484945, 581934, 678923, 775912, 969890, 1163868, 1357846, 1454835, 1939780, 2036769, 2327736, 2715692, 2909670, 3394615, 3879560, 4073538, 5431384, 5819340, 6789230, 8147076, 10183845, 11638680, 13578460, 16294152, 20367690, 27156920, 40735380, 81470760]

約数ペア:

[(1, 81470760), (2, 40735380), (3, 27156920), (4, 20367690), (5, 16294152), (6, 13578460), (7, 11638680), (8, 10183845), (10, 8147076), (12, 6789230), (14, 5819340), (15, 5431384), (20, 4073538), (21, 3879560), (24, 3394615), (28, 2909670), (30, 2715692), (35, 2327736), (40, 2036769), (42, 1939780), (56, 1454835), (60, 1357846), (70, 1163868), (84, 969890), (105, 775912), (120, 678923), (140, 581934), (168, 484945), (210, 387956), (280, 290967), (420, 193978), (840, 96989)]