87846560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 129881440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 199, 248, 310, 356, 398, 445, 496, 620, 712, 796, 890, 992, 995, 1240, 1424, 1592, 1780, 1990, 2480, 2759, 2848, 3184, 3560, 3980, 4960, 5518, 6169, 6368, 7120, 7960, 11036, 12338, 13795, 14240, 15920, 17711, 22072, 24676, 27590, 30845, 31840, 35422, 44144, 49352, 55180, 61690, 70844, 88288, 88555, 98704, 110360, 123380, 141688, 177110, 197408, 220720, 246760, 283376, 354220, 441440, 493520, 549041, 566752, 708440, 987040, 1098082, 1416880, 2196164, 2745205, 2833760, 4392328, 5490410, 8784656, 10980820, 17569312, 21961640, 43923280, 87846560]

約数ペア:

[(1, 87846560), (2, 43923280), (4, 21961640), (5, 17569312), (8, 10980820), (10, 8784656), (16, 5490410), (20, 4392328), (31, 2833760), (32, 2745205), (40, 2196164), (62, 1416880), (80, 1098082), (89, 987040), (124, 708440), (155, 566752), (160, 549041), (178, 493520), (199, 441440), (248, 354220), (310, 283376), (356, 246760), (398, 220720), (445, 197408), (496, 177110), (620, 141688), (712, 123380), (796, 110360), (890, 98704), (992, 88555), (995, 88288), (1240, 70844), (1424, 61690), (1592, 55180), (1780, 49352), (1990, 44144), (2480, 35422), (2759, 31840), (2848, 30845), (3184, 27590), (3560, 24676), (3980, 22072), (4960, 17711), (5518, 15920), (6169, 14240), (6368, 13795), (7120, 12338), (7960, 11036)]