61400780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 159183360

約数和(自身を除く): 97782580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 164, 190, 205, 266, 287, 380, 410, 532, 563, 574, 665, 779, 820, 1126, 1148, 1330, 1435, 1558, 2252, 2660, 2815, 2870, 3116, 3895, 3941, 5453, 5630, 5740, 7790, 7882, 10697, 10906, 11260, 15580, 15764, 19705, 21394, 21812, 23083, 27265, 39410, 42788, 46166, 53485, 54530, 74879, 78820, 92332, 106970, 109060, 115415, 149758, 161581, 213940, 230830, 299516, 323162, 374395, 438577, 461660, 646324, 748790, 807905, 877154, 1497580, 1615810, 1754308, 2192885, 3070039, 3231620, 4385770, 6140078, 8771540, 12280156, 15350195, 30700390, 61400780]

約数ペア:

[(1, 61400780), (2, 30700390), (4, 15350195), (5, 12280156), (7, 8771540), (10, 6140078), (14, 4385770), (19, 3231620), (20, 3070039), (28, 2192885), (35, 1754308), (38, 1615810), (41, 1497580), (70, 877154), (76, 807905), (82, 748790), (95, 646324), (133, 461660), (140, 438577), (164, 374395), (190, 323162), (205, 299516), (266, 230830), (287, 213940), (380, 161581), (410, 149758), (532, 115415), (563, 109060), (574, 106970), (665, 92332), (779, 78820), (820, 74879), (1126, 54530), (1148, 53485), (1330, 46166), (1435, 42788), (1558, 39410), (2252, 27265), (2660, 23083), (2815, 21812), (2870, 21394), (3116, 19705), (3895, 15764), (3941, 15580), (5453, 11260), (5630, 10906), (5740, 10697), (7790, 7882)]