680643460

素因数分解:

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

素因数の和:234

約数の個数: 144

約数和(自身を含む): 1784039040

約数和(自身を除く): 1103395580

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, 6241, 6478, 7505, 7790, 10507, 10906, 11060, 12482, 12956, 15010, 15580, 16195, 21014, 21812, 22673, 24964, 27265, 30020, 31205, 32390, 42028, 43687, 45346, 52535, 54530, 61541, 62410, 64780, 87374, 90692, 105070, 109060, 113365, 118579, 123082, 124820, 174748, 210140, 218435, 226730, 237158, 246164, 255881, 307705, 430787, 436870, 453460, 474316, 511762, 592895, 615410, 830053, 861574, 873740, 1023524, 1185790, 1230820, 1279405, 1660106, 1723148, 1791167, 2153935, 2371580, 2558810, 3320212, 3582334, 4150265, 4307870, 4861739, 5117620, 7164668, 8300530, 8615740, 8955835, 9723478, 16601060, 17911670, 19446956, 24308695, 34032173, 35823340, 48617390, 68064346, 97234780, 136128692, 170160865, 340321730, 680643460]

約数ペア:

[(1, 680643460), (2, 340321730), (4, 170160865), (5, 136128692), (7, 97234780), (10, 68064346), (14, 48617390), (19, 35823340), (20, 34032173), (28, 24308695), (35, 19446956), (38, 17911670), (41, 16601060), (70, 9723478), (76, 8955835), (79, 8615740), (82, 8300530), (95, 7164668), (133, 5117620), (140, 4861739), (158, 4307870), (164, 4150265), (190, 3582334), (205, 3320212), (266, 2558810), (287, 2371580), (316, 2153935), (380, 1791167), (395, 1723148), (410, 1660106), (532, 1279405), (553, 1230820), (574, 1185790), (665, 1023524), (779, 873740), (790, 861574), (820, 830053), (1106, 615410), (1148, 592895), (1330, 511762), (1435, 474316), (1501, 453460), (1558, 436870), (1580, 430787), (2212, 307705), (2660, 255881), (2765, 246164), (2870, 237158), (3002, 226730), (3116, 218435), (3239, 210140), (3895, 174748), (5453, 124820), (5530, 123082), (5740, 118579), (6004, 113365), (6241, 109060), (6478, 105070), (7505, 90692), (7790, 87374), (10507, 64780), (10906, 62410), (11060, 61541), (12482, 54530), (12956, 52535), (15010, 45346), (15580, 43687), (16195, 42028), (21014, 32390), (21812, 31205), (22673, 30020), (24964, 27265)]