83706280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3359}}^1$

素因数の和:3466

約数の個数: 64

約数和(自身を含む): 217728000

約数和(自身を除く): 134021720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3359, 3560, 4984, 6230, 6718, 12460, 13436, 16795, 23513, 24920, 26872, 33590, 47026, 67180, 94052, 117565, 134360, 188104, 235130, 298951, 470260, 597902, 940520, 1195804, 1494755, 2092657, 2391608, 2989510, 4185314, 5979020, 8370628, 10463285, 11958040, 16741256, 20926570, 41853140, 83706280]

約数ペア:

[(1, 83706280), (2, 41853140), (4, 20926570), (5, 16741256), (7, 11958040), (8, 10463285), (10, 8370628), (14, 5979020), (20, 4185314), (28, 2989510), (35, 2391608), (40, 2092657), (56, 1494755), (70, 1195804), (89, 940520), (140, 597902), (178, 470260), (280, 298951), (356, 235130), (445, 188104), (623, 134360), (712, 117565), (890, 94052), (1246, 67180), (1780, 47026), (2492, 33590), (3115, 26872), (3359, 24920), (3560, 23513), (4984, 16795), (6230, 13436), (6718, 12460)]