68522240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 180133632

約数和(自身を除く): 111611392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 67, 68, 80, 85, 94, 128, 134, 136, 160, 170, 188, 235, 256, 268, 272, 320, 335, 340, 376, 470, 536, 544, 640, 670, 680, 752, 799, 940, 1072, 1088, 1139, 1280, 1340, 1360, 1504, 1598, 1880, 2144, 2176, 2278, 2680, 2720, 3008, 3149, 3196, 3760, 3995, 4288, 4352, 4556, 5360, 5440, 5695, 6016, 6298, 6392, 7520, 7990, 8576, 9112, 10720, 10880, 11390, 12032, 12596, 12784, 15040, 15745, 15980, 17152, 18224, 21440, 21760, 22780, 25192, 25568, 30080, 31490, 31960, 36448, 42880, 45560, 50384, 51136, 53533, 60160, 62980, 63920, 72896, 85760, 91120, 100768, 102272, 107066, 125960, 127840, 145792, 182240, 201536, 204544, 214132, 251920, 255680, 267665, 291584, 364480, 403072, 428264, 503840, 511360, 535330, 728960, 806144, 856528, 1007680, 1022720, 1070660, 1457920, 1713056, 2015360, 2141320, 3426112, 4030720, 4282640, 6852224, 8565280, 13704448, 17130560, 34261120, 68522240]

約数ペア:

[(1, 68522240), (2, 34261120), (4, 17130560), (5, 13704448), (8, 8565280), (10, 6852224), (16, 4282640), (17, 4030720), (20, 3426112), (32, 2141320), (34, 2015360), (40, 1713056), (47, 1457920), (64, 1070660), (67, 1022720), (68, 1007680), (80, 856528), (85, 806144), (94, 728960), (128, 535330), (134, 511360), (136, 503840), (160, 428264), (170, 403072), (188, 364480), (235, 291584), (256, 267665), (268, 255680), (272, 251920), (320, 214132), (335, 204544), (340, 201536), (376, 182240), (470, 145792), (536, 127840), (544, 125960), (640, 107066), (670, 102272), (680, 100768), (752, 91120), (799, 85760), (940, 72896), (1072, 63920), (1088, 62980), (1139, 60160), (1280, 53533), (1340, 51136), (1360, 50384), (1504, 45560), (1598, 42880), (1880, 36448), (2144, 31960), (2176, 31490), (2278, 30080), (2680, 25568), (2720, 25192), (3008, 22780), (3149, 21760), (3196, 21440), (3760, 18224), (3995, 17152), (4288, 15980), (4352, 15745), (4556, 15040), (5360, 12784), (5440, 12596), (5695, 12032), (6016, 11390), (6298, 10880), (6392, 10720), (7520, 9112), (7990, 8576)]