389996160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{887}}^1$

素因数の和:1138

約数の個数: 128

約数和(自身を含む): 1249948800

約数和(自身を除く): 859952640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 229, 240, 320, 384, 458, 480, 640, 687, 887, 916, 960, 1145, 1374, 1774, 1832, 1920, 2290, 2661, 2748, 3435, 3548, 3664, 4435, 4580, 5322, 5496, 6870, 7096, 7328, 8870, 9160, 10644, 10992, 13305, 13740, 14192, 14656, 17740, 18320, 21288, 21984, 26610, 27480, 28384, 29312, 35480, 36640, 42576, 43968, 53220, 54960, 56768, 70960, 73280, 85152, 87936, 106440, 109920, 113536, 141920, 146560, 170304, 203123, 212880, 219840, 283840, 340608, 406246, 425760, 439680, 567680, 609369, 812492, 851520, 1015615, 1218738, 1624984, 1703040, 2031230, 2437476, 3046845, 3249968, 4062460, 4874952, 6093690, 6499936, 8124920, 9749904, 12187380, 12999872, 16249840, 19499808, 24374760, 25999744, 32499680, 38999616, 48749520, 64999360, 77999232, 97499040, 129998720, 194998080, 389996160]

約数ペア:

[(1, 389996160), (2, 194998080), (3, 129998720), (4, 97499040), (5, 77999232), (6, 64999360), (8, 48749520), (10, 38999616), (12, 32499680), (15, 25999744), (16, 24374760), (20, 19499808), (24, 16249840), (30, 12999872), (32, 12187380), (40, 9749904), (48, 8124920), (60, 6499936), (64, 6093690), (80, 4874952), (96, 4062460), (120, 3249968), (128, 3046845), (160, 2437476), (192, 2031230), (229, 1703040), (240, 1624984), (320, 1218738), (384, 1015615), (458, 851520), (480, 812492), (640, 609369), (687, 567680), (887, 439680), (916, 425760), (960, 406246), (1145, 340608), (1374, 283840), (1774, 219840), (1832, 212880), (1920, 203123), (2290, 170304), (2661, 146560), (2748, 141920), (3435, 113536), (3548, 109920), (3664, 106440), (4435, 87936), (4580, 85152), (5322, 73280), (5496, 70960), (6870, 56768), (7096, 54960), (7328, 53220), (8870, 43968), (9160, 42576), (10644, 36640), (10992, 35480), (13305, 29312), (13740, 28384), (14192, 27480), (14656, 26610), (17740, 21984), (18320, 21288)]