123151280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4679}}^1$

素因数の和:4746

約数の個数: 80

約数和(自身を含む): 334264320

約数和(自身を除く): 211113040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 4679, 5264, 6580, 9358, 13160, 18716, 23395, 26320, 32753, 37432, 46790, 65506, 74864, 93580, 131012, 163765, 187160, 219913, 262024, 327530, 374320, 439826, 524048, 655060, 879652, 1099565, 1310120, 1539391, 1759304, 2199130, 2620240, 3078782, 3518608, 4398260, 6157564, 7696955, 8796520, 12315128, 15393910, 17593040, 24630256, 30787820, 61575640, 123151280]

約数ペア:

[(1, 123151280), (2, 61575640), (4, 30787820), (5, 24630256), (7, 17593040), (8, 15393910), (10, 12315128), (14, 8796520), (16, 7696955), (20, 6157564), (28, 4398260), (35, 3518608), (40, 3078782), (47, 2620240), (56, 2199130), (70, 1759304), (80, 1539391), (94, 1310120), (112, 1099565), (140, 879652), (188, 655060), (235, 524048), (280, 439826), (329, 374320), (376, 327530), (470, 262024), (560, 219913), (658, 187160), (752, 163765), (940, 131012), (1316, 93580), (1645, 74864), (1880, 65506), (2632, 46790), (3290, 37432), (3760, 32753), (4679, 26320), (5264, 23395), (6580, 18716), (9358, 13160)]