90151640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 210124800

約数和(自身を除く): 119973160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 607, 632, 790, 940, 1214, 1580, 1880, 2428, 3035, 3160, 3713, 4856, 6070, 7426, 12140, 14852, 18565, 24280, 28529, 29704, 37130, 47953, 57058, 74260, 95906, 114116, 142645, 148520, 191812, 228232, 239765, 285290, 383624, 479530, 570580, 959060, 1141160, 1918120, 2253791, 4507582, 9015164, 11268955, 18030328, 22537910, 45075820, 90151640]

約数ペア:

[(1, 90151640), (2, 45075820), (4, 22537910), (5, 18030328), (8, 11268955), (10, 9015164), (20, 4507582), (40, 2253791), (47, 1918120), (79, 1141160), (94, 959060), (158, 570580), (188, 479530), (235, 383624), (316, 285290), (376, 239765), (395, 228232), (470, 191812), (607, 148520), (632, 142645), (790, 114116), (940, 95906), (1214, 74260), (1580, 57058), (1880, 47953), (2428, 37130), (3035, 29704), (3160, 28529), (3713, 24280), (4856, 18565), (6070, 14852), (7426, 12140)]