2015615540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137867}}^1$

素因数の和:137936

約数の個数: 48

約数和(自身を含む): 4586041152

約数和(自身を除く): 2570425612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 137867, 275734, 551468, 689335, 1378670, 2343739, 2757340, 4687478, 5928281, 9374956, 11718695, 11856562, 23437390, 23713124, 29641405, 46874780, 59282810, 100780777, 118565620, 201561554, 403123108, 503903885, 1007807770, 2015615540]

約数ペア:

[(1, 2015615540), (2, 1007807770), (4, 503903885), (5, 403123108), (10, 201561554), (17, 118565620), (20, 100780777), (34, 59282810), (43, 46874780), (68, 29641405), (85, 23713124), (86, 23437390), (170, 11856562), (172, 11718695), (215, 9374956), (340, 5928281), (430, 4687478), (731, 2757340), (860, 2343739), (1462, 1378670), (2924, 689335), (3655, 551468), (7310, 275734), (14620, 137867)]