61416920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 147420000

約数和(自身を除く): 86003080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 499, 680, 724, 905, 998, 1448, 1810, 1996, 2495, 3077, 3620, 3992, 4990, 6154, 7240, 8483, 9980, 12308, 15385, 16966, 19960, 24616, 30770, 33932, 42415, 61540, 67864, 84830, 90319, 123080, 169660, 180638, 339320, 361276, 451595, 722552, 903190, 1535423, 1806380, 3070846, 3612760, 6141692, 7677115, 12283384, 15354230, 30708460, 61416920]

約数ペア:

[(1, 61416920), (2, 30708460), (4, 15354230), (5, 12283384), (8, 7677115), (10, 6141692), (17, 3612760), (20, 3070846), (34, 1806380), (40, 1535423), (68, 903190), (85, 722552), (136, 451595), (170, 361276), (181, 339320), (340, 180638), (362, 169660), (499, 123080), (680, 90319), (724, 84830), (905, 67864), (998, 61540), (1448, 42415), (1810, 33932), (1996, 30770), (2495, 24616), (3077, 19960), (3620, 16966), (3992, 15385), (4990, 12308), (6154, 9980), (7240, 8483)]