15979660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 36390816

約数和(自身を除く): 20411156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1093, 1462, 2186, 2924, 3655, 4372, 5465, 7310, 10930, 14620, 18581, 21860, 37162, 46999, 74324, 92905, 93998, 185810, 187996, 234995, 371620, 469990, 798983, 939980, 1597966, 3195932, 3994915, 7989830, 15979660]

約数ペア:

[(1, 15979660), (2, 7989830), (4, 3994915), (5, 3195932), (10, 1597966), (17, 939980), (20, 798983), (34, 469990), (43, 371620), (68, 234995), (85, 187996), (86, 185810), (170, 93998), (172, 92905), (215, 74324), (340, 46999), (430, 37162), (731, 21860), (860, 18581), (1093, 14620), (1462, 10930), (2186, 7310), (2924, 5465), (3655, 4372)]