69998320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 187130880

約数和(自身を除く): 117132560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 523, 560, 956, 1046, 1195, 1673, 1912, 2092, 2390, 2615, 3346, 3661, 3824, 4184, 4780, 5230, 6692, 7322, 8365, 8368, 9560, 10460, 13384, 14644, 16730, 18305, 19120, 20920, 26768, 29288, 33460, 36610, 41840, 58576, 66920, 73220, 124997, 133840, 146440, 249994, 292880, 499988, 624985, 874979, 999976, 1249970, 1749958, 1999952, 2499940, 3499916, 4374895, 4999880, 6999832, 8749790, 9999760, 13999664, 17499580, 34999160, 69998320]

約数ペア:

[(1, 69998320), (2, 34999160), (4, 17499580), (5, 13999664), (7, 9999760), (8, 8749790), (10, 6999832), (14, 4999880), (16, 4374895), (20, 3499916), (28, 2499940), (35, 1999952), (40, 1749958), (56, 1249970), (70, 999976), (80, 874979), (112, 624985), (140, 499988), (239, 292880), (280, 249994), (478, 146440), (523, 133840), (560, 124997), (956, 73220), (1046, 66920), (1195, 58576), (1673, 41840), (1912, 36610), (2092, 33460), (2390, 29288), (2615, 26768), (3346, 20920), (3661, 19120), (3824, 18305), (4184, 16730), (4780, 14644), (5230, 13384), (6692, 10460), (7322, 9560), (8365, 8368)]