159604120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9956

約数の個数: 64

約数和(自身を含む): 399248640

約数和(自身を除く): 239644520

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, 2015, 3224, 4030, 8060, 9901, 16120, 19802, 39604, 49505, 79208, 99010, 128713, 198020, 257426, 306931, 396040, 514852, 613862, 643565, 1029704, 1227724, 1287130, 1534655, 2455448, 2574260, 3069310, 3990103, 5148520, 6138620, 7980206, 12277240, 15960412, 19950515, 31920824, 39901030, 79802060, 159604120]

約数ペア:

[(1, 159604120), (2, 79802060), (4, 39901030), (5, 31920824), (8, 19950515), (10, 15960412), (13, 12277240), (20, 7980206), (26, 6138620), (31, 5148520), (40, 3990103), (52, 3069310), (62, 2574260), (65, 2455448), (104, 1534655), (124, 1287130), (130, 1227724), (155, 1029704), (248, 643565), (260, 613862), (310, 514852), (403, 396040), (520, 306931), (620, 257426), (806, 198020), (1240, 128713), (1612, 99010), (2015, 79208), (3224, 49505), (4030, 39604), (8060, 19802), (9901, 16120)]