6447815240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{37409}}^1$

素因数の和:37590

約数の個数: 64

約数和(自身を含む): 15083712000

約数和(自身を除く): 8635896760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1112, 1240, 1390, 2780, 4309, 5560, 8618, 17236, 21545, 34472, 37409, 43090, 74818, 86180, 149636, 172360, 187045, 299272, 374090, 748180, 1159679, 1496360, 2319358, 4638716, 5199851, 5798395, 9277432, 10399702, 11596790, 20799404, 23193580, 25999255, 41598808, 46387160, 51998510, 103997020, 161195381, 207994040, 322390762, 644781524, 805976905, 1289563048, 1611953810, 3223907620, 6447815240]

約数ペア:

[(1, 6447815240), (2, 3223907620), (4, 1611953810), (5, 1289563048), (8, 805976905), (10, 644781524), (20, 322390762), (31, 207994040), (40, 161195381), (62, 103997020), (124, 51998510), (139, 46387160), (155, 41598808), (248, 25999255), (278, 23193580), (310, 20799404), (556, 11596790), (620, 10399702), (695, 9277432), (1112, 5798395), (1240, 5199851), (1390, 4638716), (2780, 2319358), (4309, 1496360), (5560, 1159679), (8618, 748180), (17236, 374090), (21545, 299272), (34472, 187045), (37409, 172360), (43090, 149636), (74818, 86180)]