308928360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198031}}^1$

素因数の和:198058

約数の個数: 64

約数和(自身を含む): 998081280

約数和(自身を除く): 689152920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 198031, 396062, 594093, 792124, 990155, 1188186, 1584248, 1980310, 2376372, 2574403, 2970465, 3960620, 4752744, 5148806, 5940930, 7723209, 7921240, 10297612, 11881860, 12872015, 15446418, 20595224, 23763720, 25744030, 30892836, 38616045, 51488060, 61785672, 77232090, 102976120, 154464180, 308928360]

約数ペア:

[(1, 308928360), (2, 154464180), (3, 102976120), (4, 77232090), (5, 61785672), (6, 51488060), (8, 38616045), (10, 30892836), (12, 25744030), (13, 23763720), (15, 20595224), (20, 15446418), (24, 12872015), (26, 11881860), (30, 10297612), (39, 7921240), (40, 7723209), (52, 5940930), (60, 5148806), (65, 4752744), (78, 3960620), (104, 2970465), (120, 2574403), (130, 2376372), (156, 1980310), (195, 1584248), (260, 1188186), (312, 990155), (390, 792124), (520, 594093), (780, 396062), (1560, 198031)]