15038120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 36460800

約数和(自身を除く): 21422680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 421, 470, 760, 842, 893, 940, 1684, 1786, 1880, 2105, 3368, 3572, 4210, 4465, 7144, 7999, 8420, 8930, 15998, 16840, 17860, 19787, 31996, 35720, 39574, 39995, 63992, 79148, 79990, 98935, 158296, 159980, 197870, 319960, 375953, 395740, 751906, 791480, 1503812, 1879765, 3007624, 3759530, 7519060, 15038120]

約数ペア:

[(1, 15038120), (2, 7519060), (4, 3759530), (5, 3007624), (8, 1879765), (10, 1503812), (19, 791480), (20, 751906), (38, 395740), (40, 375953), (47, 319960), (76, 197870), (94, 159980), (95, 158296), (152, 98935), (188, 79990), (190, 79148), (235, 63992), (376, 39995), (380, 39574), (421, 35720), (470, 31996), (760, 19787), (842, 17860), (893, 16840), (940, 15998), (1684, 8930), (1786, 8420), (1880, 7999), (2105, 7144), (3368, 4465), (3572, 4210)]