81725520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1487}}^1$

素因数の和:1732

約数の個数: 80

約数和(自身を含む): 254626560

約数和(自身を除く): 172901040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 687, 916, 1145, 1374, 1487, 1832, 2290, 2748, 2974, 3435, 3664, 4461, 4580, 5496, 5948, 6870, 7435, 8922, 9160, 10992, 11896, 13740, 14870, 17844, 18320, 22305, 23792, 27480, 29740, 35688, 44610, 54960, 59480, 71376, 89220, 118960, 178440, 340523, 356880, 681046, 1021569, 1362092, 1702615, 2043138, 2724184, 3405230, 4086276, 5107845, 5448368, 6810460, 8172552, 10215690, 13620920, 16345104, 20431380, 27241840, 40862760, 81725520]

約数ペア:

[(1, 81725520), (2, 40862760), (3, 27241840), (4, 20431380), (5, 16345104), (6, 13620920), (8, 10215690), (10, 8172552), (12, 6810460), (15, 5448368), (16, 5107845), (20, 4086276), (24, 3405230), (30, 2724184), (40, 2043138), (48, 1702615), (60, 1362092), (80, 1021569), (120, 681046), (229, 356880), (240, 340523), (458, 178440), (687, 118960), (916, 89220), (1145, 71376), (1374, 59480), (1487, 54960), (1832, 44610), (2290, 35688), (2748, 29740), (2974, 27480), (3435, 23792), (3664, 22305), (4461, 18320), (4580, 17844), (5496, 14870), (5948, 13740), (6870, 11896), (7435, 10992), (8922, 9160)]