78646620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100829}}^1$

素因数の和:100854

約数の個数: 48

約数和(自身を含む): 237152160

約数和(自身を除く): 158505540

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, 100829, 201658, 302487, 403316, 504145, 604974, 1008290, 1209948, 1310777, 1512435, 2016580, 2621554, 3024870, 3932331, 5243108, 6049740, 6553885, 7864662, 13107770, 15729324, 19661655, 26215540, 39323310, 78646620]

約数ペア:

[(1, 78646620), (2, 39323310), (3, 26215540), (4, 19661655), (5, 15729324), (6, 13107770), (10, 7864662), (12, 6553885), (13, 6049740), (15, 5243108), (20, 3932331), (26, 3024870), (30, 2621554), (39, 2016580), (52, 1512435), (60, 1310777), (65, 1209948), (78, 1008290), (130, 604974), (156, 504145), (195, 403316), (260, 302487), (390, 201658), (780, 100829)]