128771820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1063}}^1$

素因数の和:1751

約数の個数: 72

約数和(自身を含む): 391556256

約数和(自身を除く): 262784436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 673, 1063, 1346, 2019, 2126, 2692, 3189, 3365, 4038, 4252, 5315, 6057, 6378, 6730, 8076, 9567, 10095, 10630, 12114, 12756, 13460, 15945, 19134, 20190, 21260, 24228, 30285, 31890, 38268, 40380, 47835, 60570, 63780, 95670, 121140, 191340, 715399, 1430798, 2146197, 2861596, 3576995, 4292394, 6438591, 7153990, 8584788, 10730985, 12877182, 14307980, 21461970, 25754364, 32192955, 42923940, 64385910, 128771820]

約数ペア:

[(1, 128771820), (2, 64385910), (3, 42923940), (4, 32192955), (5, 25754364), (6, 21461970), (9, 14307980), (10, 12877182), (12, 10730985), (15, 8584788), (18, 7153990), (20, 6438591), (30, 4292394), (36, 3576995), (45, 2861596), (60, 2146197), (90, 1430798), (180, 715399), (673, 191340), (1063, 121140), (1346, 95670), (2019, 63780), (2126, 60570), (2692, 47835), (3189, 40380), (3365, 38268), (4038, 31890), (4252, 30285), (5315, 24228), (6057, 21260), (6378, 20190), (6730, 19134), (8076, 15945), (9567, 13460), (10095, 12756), (10630, 12114)]