64268880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20599}}^1$

素因数の和:20628

約数の個数: 80

約数和(自身を含む): 214569600

約数和(自身を除く): 150300720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20599, 41198, 61797, 82396, 102995, 123594, 164792, 205990, 247188, 267787, 308985, 329584, 411980, 494376, 535574, 617970, 803361, 823960, 988752, 1071148, 1235940, 1338935, 1606722, 1647920, 2142296, 2471880, 2677870, 3213444, 4016805, 4284592, 4943760, 5355740, 6426888, 8033610, 10711480, 12853776, 16067220, 21422960, 32134440, 64268880]

約数ペア:

[(1, 64268880), (2, 32134440), (3, 21422960), (4, 16067220), (5, 12853776), (6, 10711480), (8, 8033610), (10, 6426888), (12, 5355740), (13, 4943760), (15, 4284592), (16, 4016805), (20, 3213444), (24, 2677870), (26, 2471880), (30, 2142296), (39, 1647920), (40, 1606722), (48, 1338935), (52, 1235940), (60, 1071148), (65, 988752), (78, 823960), (80, 803361), (104, 617970), (120, 535574), (130, 494376), (156, 411980), (195, 329584), (208, 308985), (240, 267787), (260, 247188), (312, 205990), (390, 164792), (520, 123594), (624, 102995), (780, 82396), (1040, 61797), (1560, 41198), (3120, 20599)]