71866760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 194641920

約数和(自身を除く): 122775160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 47, 56, 70, 86, 94, 127, 140, 172, 188, 215, 235, 254, 280, 301, 329, 344, 376, 430, 470, 508, 602, 635, 658, 860, 889, 940, 1016, 1204, 1270, 1316, 1505, 1645, 1720, 1778, 1880, 2021, 2408, 2540, 2632, 3010, 3290, 3556, 4042, 4445, 5080, 5461, 5969, 6020, 6580, 7112, 8084, 8890, 10105, 10922, 11938, 12040, 13160, 14147, 16168, 17780, 20210, 21844, 23876, 27305, 28294, 29845, 35560, 38227, 40420, 41783, 43688, 47752, 54610, 56588, 59690, 70735, 76454, 80840, 83566, 109220, 113176, 119380, 141470, 152908, 167132, 191135, 208915, 218440, 238760, 256667, 282940, 305816, 334264, 382270, 417830, 513334, 565880, 764540, 835660, 1026668, 1283335, 1529080, 1671320, 1796669, 2053336, 2566670, 3593338, 5133340, 7186676, 8983345, 10266680, 14373352, 17966690, 35933380, 71866760]

約数ペア:

[(1, 71866760), (2, 35933380), (4, 17966690), (5, 14373352), (7, 10266680), (8, 8983345), (10, 7186676), (14, 5133340), (20, 3593338), (28, 2566670), (35, 2053336), (40, 1796669), (43, 1671320), (47, 1529080), (56, 1283335), (70, 1026668), (86, 835660), (94, 764540), (127, 565880), (140, 513334), (172, 417830), (188, 382270), (215, 334264), (235, 305816), (254, 282940), (280, 256667), (301, 238760), (329, 218440), (344, 208915), (376, 191135), (430, 167132), (470, 152908), (508, 141470), (602, 119380), (635, 113176), (658, 109220), (860, 83566), (889, 80840), (940, 76454), (1016, 70735), (1204, 59690), (1270, 56588), (1316, 54610), (1505, 47752), (1645, 43688), (1720, 41783), (1778, 40420), (1880, 38227), (2021, 35560), (2408, 29845), (2540, 28294), (2632, 27305), (3010, 23876), (3290, 21844), (3556, 20210), (4042, 17780), (4445, 16168), (5080, 14147), (5461, 13160), (5969, 12040), (6020, 11938), (6580, 10922), (7112, 10105), (8084, 8890)]