81850720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:812

約数の個数: 96

約数和(自身を含む): 223388928

約数和(自身を除く): 141538208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 107, 112, 140, 160, 214, 224, 280, 428, 535, 560, 683, 749, 856, 1070, 1120, 1366, 1498, 1712, 2140, 2732, 2996, 3415, 3424, 3745, 4280, 4781, 5464, 5992, 6830, 7490, 8560, 9562, 10928, 11984, 13660, 14980, 17120, 19124, 21856, 23905, 23968, 27320, 29960, 38248, 47810, 54640, 59920, 73081, 76496, 95620, 109280, 119840, 146162, 152992, 191240, 292324, 365405, 382480, 511567, 584648, 730810, 764960, 1023134, 1169296, 1461620, 2046268, 2338592, 2557835, 2923240, 4092536, 5115670, 5846480, 8185072, 10231340, 11692960, 16370144, 20462680, 40925360, 81850720]

約数ペア:

[(1, 81850720), (2, 40925360), (4, 20462680), (5, 16370144), (7, 11692960), (8, 10231340), (10, 8185072), (14, 5846480), (16, 5115670), (20, 4092536), (28, 2923240), (32, 2557835), (35, 2338592), (40, 2046268), (56, 1461620), (70, 1169296), (80, 1023134), (107, 764960), (112, 730810), (140, 584648), (160, 511567), (214, 382480), (224, 365405), (280, 292324), (428, 191240), (535, 152992), (560, 146162), (683, 119840), (749, 109280), (856, 95620), (1070, 76496), (1120, 73081), (1366, 59920), (1498, 54640), (1712, 47810), (2140, 38248), (2732, 29960), (2996, 27320), (3415, 23968), (3424, 23905), (3745, 21856), (4280, 19124), (4781, 17120), (5464, 14980), (5992, 13660), (6830, 11984), (7490, 10928), (8560, 9562)]