7240740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9283}}^1$

素因数の和:9308

約数の個数: 48

約数和(自身を含む): 21835968

約数和(自身を除く): 14595228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 9283, 18566, 27849, 37132, 46415, 55698, 92830, 111396, 120679, 139245, 185660, 241358, 278490, 362037, 482716, 556980, 603395, 724074, 1206790, 1448148, 1810185, 2413580, 3620370, 7240740]

約数ペア:

[(1, 7240740), (2, 3620370), (3, 2413580), (4, 1810185), (5, 1448148), (6, 1206790), (10, 724074), (12, 603395), (13, 556980), (15, 482716), (20, 362037), (26, 278490), (30, 241358), (39, 185660), (52, 139245), (60, 120679), (65, 111396), (78, 92830), (130, 55698), (156, 46415), (195, 37132), (260, 27849), (390, 18566), (780, 9283)]