7877220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10099}}^1$

素因数の和:10124

約数の個数: 48

約数和(自身を含む): 23755200

約数和(自身を除く): 15877980

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, 10099, 20198, 30297, 40396, 50495, 60594, 100990, 121188, 131287, 151485, 201980, 262574, 302970, 393861, 525148, 605940, 656435, 787722, 1312870, 1575444, 1969305, 2625740, 3938610, 7877220]

約数ペア:

[(1, 7877220), (2, 3938610), (3, 2625740), (4, 1969305), (5, 1575444), (6, 1312870), (10, 787722), (12, 656435), (13, 605940), (15, 525148), (20, 393861), (26, 302970), (30, 262574), (39, 201980), (52, 151485), (60, 131287), (65, 121188), (78, 100990), (130, 60594), (156, 50495), (195, 40396), (260, 30297), (390, 20198), (780, 10099)]