15877540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 41287680

約数和(自身を除く): 25410140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 94, 95, 127, 133, 140, 188, 190, 235, 254, 266, 329, 380, 470, 508, 532, 635, 658, 665, 889, 893, 940, 1270, 1316, 1330, 1645, 1778, 1786, 2413, 2540, 2660, 3290, 3556, 3572, 4445, 4465, 4826, 5969, 6251, 6580, 8890, 8930, 9652, 11938, 12065, 12502, 16891, 17780, 17860, 23876, 24130, 25004, 29845, 31255, 33782, 41783, 48260, 59690, 62510, 67564, 83566, 84455, 113411, 119380, 125020, 167132, 168910, 208915, 226822, 337820, 417830, 453644, 567055, 793877, 835660, 1134110, 1587754, 2268220, 3175508, 3969385, 7938770, 15877540]

約数ペア:

[(1, 15877540), (2, 7938770), (4, 3969385), (5, 3175508), (7, 2268220), (10, 1587754), (14, 1134110), (19, 835660), (20, 793877), (28, 567055), (35, 453644), (38, 417830), (47, 337820), (70, 226822), (76, 208915), (94, 168910), (95, 167132), (127, 125020), (133, 119380), (140, 113411), (188, 84455), (190, 83566), (235, 67564), (254, 62510), (266, 59690), (329, 48260), (380, 41783), (470, 33782), (508, 31255), (532, 29845), (635, 25004), (658, 24130), (665, 23876), (889, 17860), (893, 17780), (940, 16891), (1270, 12502), (1316, 12065), (1330, 11938), (1645, 9652), (1778, 8930), (1786, 8890), (2413, 6580), (2540, 6251), (2660, 5969), (3290, 4826), (3556, 4465), (3572, 4445)]