9876580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 25804800

約数和(自身を除く): 15928220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 79, 94, 95, 133, 140, 158, 188, 190, 235, 266, 316, 329, 380, 395, 470, 532, 553, 658, 665, 790, 893, 940, 1106, 1316, 1330, 1501, 1580, 1645, 1786, 2212, 2660, 2765, 3002, 3290, 3572, 3713, 4465, 5530, 6004, 6251, 6580, 7426, 7505, 8930, 10507, 11060, 12502, 14852, 15010, 17860, 18565, 21014, 25004, 25991, 30020, 31255, 37130, 42028, 51982, 52535, 62510, 70547, 74260, 103964, 105070, 125020, 129955, 141094, 210140, 259910, 282188, 352735, 493829, 519820, 705470, 987658, 1410940, 1975316, 2469145, 4938290, 9876580]

約数ペア:

[(1, 9876580), (2, 4938290), (4, 2469145), (5, 1975316), (7, 1410940), (10, 987658), (14, 705470), (19, 519820), (20, 493829), (28, 352735), (35, 282188), (38, 259910), (47, 210140), (70, 141094), (76, 129955), (79, 125020), (94, 105070), (95, 103964), (133, 74260), (140, 70547), (158, 62510), (188, 52535), (190, 51982), (235, 42028), (266, 37130), (316, 31255), (329, 30020), (380, 25991), (395, 25004), (470, 21014), (532, 18565), (553, 17860), (658, 15010), (665, 14852), (790, 12502), (893, 11060), (940, 10507), (1106, 8930), (1316, 7505), (1330, 7426), (1501, 6580), (1580, 6251), (1645, 6004), (1786, 5530), (2212, 4465), (2660, 3713), (2765, 3572), (3002, 3290)]