9115440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 80

約数和(自身を含む): 29760000

約数和(自身を除く): 20644560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 1999, 2280, 3998, 4560, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 31984, 37981, 39980, 47976, 59970, 75962, 79960, 95952, 113943, 119940, 151924, 159920, 189905, 227886, 239880, 303848, 379810, 455772, 479760, 569715, 607696, 759620, 911544, 1139430, 1519240, 1823088, 2278860, 3038480, 4557720, 9115440]

約数ペア:

[(1, 9115440), (2, 4557720), (3, 3038480), (4, 2278860), (5, 1823088), (6, 1519240), (8, 1139430), (10, 911544), (12, 759620), (15, 607696), (16, 569715), (19, 479760), (20, 455772), (24, 379810), (30, 303848), (38, 239880), (40, 227886), (48, 189905), (57, 159920), (60, 151924), (76, 119940), (80, 113943), (95, 95952), (114, 79960), (120, 75962), (152, 59970), (190, 47976), (228, 39980), (240, 37981), (285, 31984), (304, 29985), (380, 23988), (456, 19990), (570, 15992), (760, 11994), (912, 9995), (1140, 7996), (1520, 5997), (1999, 4560), (2280, 3998)]