64698620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 159785136

約数和(自身を除く): 95086516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 535, 617, 749, 980, 1070, 1234, 1498, 2140, 2468, 2996, 3085, 3745, 4319, 5243, 6170, 7490, 8638, 10486, 12340, 14980, 17276, 20972, 21595, 26215, 30233, 43190, 52430, 60466, 66019, 86380, 104860, 120932, 132038, 151165, 264076, 302330, 330095, 462133, 604660, 660190, 924266, 1320380, 1848532, 2310665, 3234931, 4621330, 6469862, 9242660, 12939724, 16174655, 32349310, 64698620]

約数ペア:

[(1, 64698620), (2, 32349310), (4, 16174655), (5, 12939724), (7, 9242660), (10, 6469862), (14, 4621330), (20, 3234931), (28, 2310665), (35, 1848532), (49, 1320380), (70, 924266), (98, 660190), (107, 604660), (140, 462133), (196, 330095), (214, 302330), (245, 264076), (428, 151165), (490, 132038), (535, 120932), (617, 104860), (749, 86380), (980, 66019), (1070, 60466), (1234, 52430), (1498, 43190), (2140, 30233), (2468, 26215), (2996, 21595), (3085, 20972), (3745, 17276), (4319, 14980), (5243, 12340), (6170, 10486), (7490, 8638)]