15628780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 35592480

約数和(自身を除く): 19963700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1069, 1462, 2138, 2924, 3655, 4276, 5345, 7310, 10690, 14620, 18173, 21380, 36346, 45967, 72692, 90865, 91934, 181730, 183868, 229835, 363460, 459670, 781439, 919340, 1562878, 3125756, 3907195, 7814390, 15628780]

約数ペア:

[(1, 15628780), (2, 7814390), (4, 3907195), (5, 3125756), (10, 1562878), (17, 919340), (20, 781439), (34, 459670), (43, 363460), (68, 229835), (85, 183868), (86, 181730), (170, 91934), (172, 90865), (215, 72692), (340, 45967), (430, 36346), (731, 21380), (860, 18173), (1069, 14620), (1462, 10690), (2138, 7310), (2924, 5345), (3655, 4276)]