8615740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 22579200

約数和(自身を除く): 13963460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 79, 82, 95, 133, 140, 158, 164, 190, 205, 266, 287, 316, 380, 395, 410, 532, 553, 574, 665, 779, 790, 820, 1106, 1148, 1330, 1435, 1501, 1558, 1580, 2212, 2660, 2765, 2870, 3002, 3116, 3239, 3895, 5453, 5530, 5740, 6004, 6478, 7505, 7790, 10507, 10906, 11060, 12956, 15010, 15580, 16195, 21014, 21812, 22673, 27265, 30020, 32390, 42028, 45346, 52535, 54530, 61541, 64780, 90692, 105070, 109060, 113365, 123082, 210140, 226730, 246164, 307705, 430787, 453460, 615410, 861574, 1230820, 1723148, 2153935, 4307870, 8615740]

約数ペア:

[(1, 8615740), (2, 4307870), (4, 2153935), (5, 1723148), (7, 1230820), (10, 861574), (14, 615410), (19, 453460), (20, 430787), (28, 307705), (35, 246164), (38, 226730), (41, 210140), (70, 123082), (76, 113365), (79, 109060), (82, 105070), (95, 90692), (133, 64780), (140, 61541), (158, 54530), (164, 52535), (190, 45346), (205, 42028), (266, 32390), (287, 30020), (316, 27265), (380, 22673), (395, 21812), (410, 21014), (532, 16195), (553, 15580), (574, 15010), (665, 12956), (779, 11060), (790, 10906), (820, 10507), (1106, 7790), (1148, 7505), (1330, 6478), (1435, 6004), (1501, 5740), (1558, 5530), (1580, 5453), (2212, 3895), (2660, 3239), (2765, 3116), (2870, 3002)]