64340040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 203448960

約数和(自身を除く): 139108920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 337, 344, 370, 430, 444, 516, 555, 645, 674, 740, 860, 888, 1011, 1032, 1110, 1290, 1348, 1480, 1591, 1685, 1720, 2022, 2220, 2580, 2696, 3182, 3370, 4044, 4440, 4773, 5055, 5160, 6364, 6740, 7955, 8088, 9546, 10110, 12469, 12728, 13480, 14491, 15910, 19092, 20220, 23865, 24938, 28982, 31820, 37407, 38184, 40440, 43473, 47730, 49876, 57964, 62345, 63640, 72455, 74814, 86946, 95460, 99752, 115928, 124690, 144910, 149628, 173892, 187035, 190920, 217365, 249380, 289820, 299256, 347784, 374070, 434730, 498760, 536167, 579640, 748140, 869460, 1072334, 1496280, 1608501, 1738920, 2144668, 2680835, 3217002, 4289336, 5361670, 6434004, 8042505, 10723340, 12868008, 16085010, 21446680, 32170020, 64340040]

約数ペア:

[(1, 64340040), (2, 32170020), (3, 21446680), (4, 16085010), (5, 12868008), (6, 10723340), (8, 8042505), (10, 6434004), (12, 5361670), (15, 4289336), (20, 3217002), (24, 2680835), (30, 2144668), (37, 1738920), (40, 1608501), (43, 1496280), (60, 1072334), (74, 869460), (86, 748140), (111, 579640), (120, 536167), (129, 498760), (148, 434730), (172, 374070), (185, 347784), (215, 299256), (222, 289820), (258, 249380), (296, 217365), (337, 190920), (344, 187035), (370, 173892), (430, 149628), (444, 144910), (516, 124690), (555, 115928), (645, 99752), (674, 95460), (740, 86946), (860, 74814), (888, 72455), (1011, 63640), (1032, 62345), (1110, 57964), (1290, 49876), (1348, 47730), (1480, 43473), (1591, 40440), (1685, 38184), (1720, 37407), (2022, 31820), (2220, 28982), (2580, 24938), (2696, 23865), (3182, 20220), (3370, 19092), (4044, 15910), (4440, 14491), (4773, 13480), (5055, 12728), (5160, 12469), (6364, 10110), (6740, 9546), (7955, 8088)]