61278320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24709}}^1$

素因数の和:24753

約数の個数: 40

約数和(自身を含む): 147073920

約数和(自身を除く): 85795600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 24709, 49418, 98836, 123545, 197672, 247090, 395344, 494180, 765979, 988360, 1531958, 1976720, 3063916, 3829895, 6127832, 7659790, 12255664, 15319580, 30639160, 61278320]

約数ペア:

[(1, 61278320), (2, 30639160), (4, 15319580), (5, 12255664), (8, 7659790), (10, 6127832), (16, 3829895), (20, 3063916), (31, 1976720), (40, 1531958), (62, 988360), (80, 765979), (124, 494180), (155, 395344), (248, 247090), (310, 197672), (496, 123545), (620, 98836), (1240, 49418), (2480, 24709)]