87199920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 294570432

約数和(自身を除く): 207370512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 281, 360, 431, 562, 720, 843, 862, 1124, 1293, 1405, 1686, 1724, 2155, 2248, 2529, 2586, 2810, 3372, 3448, 3879, 4215, 4310, 4496, 5058, 5172, 5620, 6465, 6744, 6896, 7758, 8430, 8620, 10116, 10344, 11240, 12645, 12930, 13488, 15516, 16860, 17240, 19395, 20232, 20688, 22480, 25290, 25860, 31032, 33720, 34480, 38790, 40464, 50580, 51720, 62064, 67440, 77580, 101160, 103440, 121111, 155160, 202320, 242222, 310320, 363333, 484444, 605555, 726666, 968888, 1089999, 1211110, 1453332, 1816665, 1937776, 2179998, 2422220, 2906664, 3633330, 4359996, 4844440, 5449995, 5813328, 7266660, 8719992, 9688880, 10899990, 14533320, 17439984, 21799980, 29066640, 43599960, 87199920]

約数ペア:

[(1, 87199920), (2, 43599960), (3, 29066640), (4, 21799980), (5, 17439984), (6, 14533320), (8, 10899990), (9, 9688880), (10, 8719992), (12, 7266660), (15, 5813328), (16, 5449995), (18, 4844440), (20, 4359996), (24, 3633330), (30, 2906664), (36, 2422220), (40, 2179998), (45, 1937776), (48, 1816665), (60, 1453332), (72, 1211110), (80, 1089999), (90, 968888), (120, 726666), (144, 605555), (180, 484444), (240, 363333), (281, 310320), (360, 242222), (431, 202320), (562, 155160), (720, 121111), (843, 103440), (862, 101160), (1124, 77580), (1293, 67440), (1405, 62064), (1686, 51720), (1724, 50580), (2155, 40464), (2248, 38790), (2529, 34480), (2586, 33720), (2810, 31032), (3372, 25860), (3448, 25290), (3879, 22480), (4215, 20688), (4310, 20232), (4496, 19395), (5058, 17240), (5172, 16860), (5620, 15516), (6465, 13488), (6744, 12930), (6896, 12645), (7758, 11240), (8430, 10344), (8620, 10116)]