61700240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 103289200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 461, 478, 560, 922, 956, 1195, 1673, 1844, 1912, 2305, 2390, 3227, 3346, 3688, 3824, 4610, 4780, 6454, 6692, 7376, 8365, 9220, 9560, 12908, 13384, 16135, 16730, 18440, 19120, 25816, 26768, 32270, 33460, 36880, 51632, 64540, 66920, 110179, 129080, 133840, 220358, 258160, 440716, 550895, 771253, 881432, 1101790, 1542506, 1762864, 2203580, 3085012, 3856265, 4407160, 6170024, 7712530, 8814320, 12340048, 15425060, 30850120, 61700240]

約数ペア:

[(1, 61700240), (2, 30850120), (4, 15425060), (5, 12340048), (7, 8814320), (8, 7712530), (10, 6170024), (14, 4407160), (16, 3856265), (20, 3085012), (28, 2203580), (35, 1762864), (40, 1542506), (56, 1101790), (70, 881432), (80, 771253), (112, 550895), (140, 440716), (239, 258160), (280, 220358), (461, 133840), (478, 129080), (560, 110179), (922, 66920), (956, 64540), (1195, 51632), (1673, 36880), (1844, 33460), (1912, 32270), (2305, 26768), (2390, 25816), (3227, 19120), (3346, 18440), (3688, 16730), (3824, 16135), (4610, 13384), (4780, 12908), (6454, 9560), (6692, 9220), (7376, 8365)]