68416140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 207728640

約数和(自身を除く): 139312500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 239, 260, 367, 390, 478, 717, 734, 780, 956, 1101, 1195, 1434, 1468, 1835, 2202, 2390, 2868, 3107, 3585, 3670, 4404, 4771, 4780, 5505, 6214, 7170, 7340, 9321, 9542, 11010, 12428, 14313, 14340, 15535, 18642, 19084, 22020, 23855, 28626, 31070, 37284, 46605, 47710, 57252, 62140, 71565, 87713, 93210, 95420, 143130, 175426, 186420, 263139, 286260, 350852, 438565, 526278, 877130, 1052556, 1140269, 1315695, 1754260, 2280538, 2631390, 3420807, 4561076, 5262780, 5701345, 6841614, 11402690, 13683228, 17104035, 22805380, 34208070, 68416140]

約数ペア:

[(1, 68416140), (2, 34208070), (3, 22805380), (4, 17104035), (5, 13683228), (6, 11402690), (10, 6841614), (12, 5701345), (13, 5262780), (15, 4561076), (20, 3420807), (26, 2631390), (30, 2280538), (39, 1754260), (52, 1315695), (60, 1140269), (65, 1052556), (78, 877130), (130, 526278), (156, 438565), (195, 350852), (239, 286260), (260, 263139), (367, 186420), (390, 175426), (478, 143130), (717, 95420), (734, 93210), (780, 87713), (956, 71565), (1101, 62140), (1195, 57252), (1434, 47710), (1468, 46605), (1835, 37284), (2202, 31070), (2390, 28626), (2868, 23855), (3107, 22020), (3585, 19084), (3670, 18642), (4404, 15535), (4771, 14340), (4780, 14313), (5505, 12428), (6214, 11010), (7170, 9542), (7340, 9321)]