172727880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 561496320

約数和(自身を除く): 388768440

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, 263, 312, 390, 421, 520, 526, 780, 789, 842, 1052, 1263, 1315, 1560, 1578, 1684, 2104, 2105, 2526, 2630, 3156, 3368, 3419, 3945, 4210, 5052, 5260, 5473, 6312, 6315, 6838, 7890, 8420, 10104, 10257, 10520, 10946, 12630, 13676, 15780, 16419, 16840, 17095, 20514, 21892, 25260, 27352, 27365, 31560, 32838, 34190, 41028, 43784, 50520, 51285, 54730, 65676, 68380, 82056, 82095, 102570, 109460, 110723, 131352, 136760, 164190, 205140, 218920, 221446, 328380, 332169, 410280, 442892, 553615, 656760, 664338, 885784, 1107230, 1328676, 1439399, 1660845, 2214460, 2657352, 2878798, 3321690, 4318197, 4428920, 5757596, 6643380, 7196995, 8636394, 11515192, 13286760, 14393990, 17272788, 21590985, 28787980, 34545576, 43181970, 57575960, 86363940, 172727880]

約数ペア:

[(1, 172727880), (2, 86363940), (3, 57575960), (4, 43181970), (5, 34545576), (6, 28787980), (8, 21590985), (10, 17272788), (12, 14393990), (13, 13286760), (15, 11515192), (20, 8636394), (24, 7196995), (26, 6643380), (30, 5757596), (39, 4428920), (40, 4318197), (52, 3321690), (60, 2878798), (65, 2657352), (78, 2214460), (104, 1660845), (120, 1439399), (130, 1328676), (156, 1107230), (195, 885784), (260, 664338), (263, 656760), (312, 553615), (390, 442892), (421, 410280), (520, 332169), (526, 328380), (780, 221446), (789, 218920), (842, 205140), (1052, 164190), (1263, 136760), (1315, 131352), (1560, 110723), (1578, 109460), (1684, 102570), (2104, 82095), (2105, 82056), (2526, 68380), (2630, 65676), (3156, 54730), (3368, 51285), (3419, 50520), (3945, 43784), (4210, 41028), (5052, 34190), (5260, 32838), (5473, 31560), (6312, 27365), (6315, 27352), (6838, 25260), (7890, 21892), (8420, 20514), (10104, 17095), (10257, 16840), (10520, 16419), (10946, 15780), (12630, 13676)]