30257240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 75720960

約数和(自身を除く): 45463720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 1877, 2015, 3224, 3754, 4030, 7508, 8060, 9385, 15016, 16120, 18770, 24401, 37540, 48802, 58187, 75080, 97604, 116374, 122005, 195208, 232748, 244010, 290935, 465496, 488020, 581870, 756431, 976040, 1163740, 1512862, 2327480, 3025724, 3782155, 6051448, 7564310, 15128620, 30257240]

約数ペア:

[(1, 30257240), (2, 15128620), (4, 7564310), (5, 6051448), (8, 3782155), (10, 3025724), (13, 2327480), (20, 1512862), (26, 1163740), (31, 976040), (40, 756431), (52, 581870), (62, 488020), (65, 465496), (104, 290935), (124, 244010), (130, 232748), (155, 195208), (248, 122005), (260, 116374), (310, 97604), (403, 75080), (520, 58187), (620, 48802), (806, 37540), (1240, 24401), (1612, 18770), (1877, 16120), (2015, 15016), (3224, 9385), (3754, 8060), (4030, 7508)]