978605940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1254623}}^1$

素因数の和:1254648

約数の個数: 48

約数和(自身を含む): 2950875648

約数和(自身を除く): 1972269708

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, 1254623, 2509246, 3763869, 5018492, 6273115, 7527738, 12546230, 15055476, 16310099, 18819345, 25092460, 32620198, 37638690, 48930297, 65240396, 75277380, 81550495, 97860594, 163100990, 195721188, 244651485, 326201980, 489302970, 978605940]

約数ペア:

[(1, 978605940), (2, 489302970), (3, 326201980), (4, 244651485), (5, 195721188), (6, 163100990), (10, 97860594), (12, 81550495), (13, 75277380), (15, 65240396), (20, 48930297), (26, 37638690), (30, 32620198), (39, 25092460), (52, 18819345), (60, 16310099), (65, 15055476), (78, 12546230), (130, 7527738), (156, 6273115), (195, 5018492), (260, 3763869), (390, 2509246), (780, 1254623)]