69021680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 160

約数和(自身を含む): 208320000

約数和(自身を除く): 139298320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 499, 520, 532, 560, 665, 728, 760, 910, 988, 998, 1040, 1064, 1235, 1330, 1456, 1520, 1729, 1820, 1976, 1996, 2128, 2470, 2495, 2660, 3458, 3493, 3640, 3952, 3992, 4940, 4990, 5320, 6487, 6916, 6986, 7280, 7984, 8645, 9481, 9880, 9980, 10640, 12974, 13832, 13972, 17290, 17465, 18962, 19760, 19960, 25948, 27664, 27944, 32435, 34580, 34930, 37924, 39920, 45409, 47405, 51896, 55888, 64870, 66367, 69160, 69860, 75848, 90818, 94810, 103792, 123253, 129740, 132734, 138320, 139720, 151696, 181636, 189620, 227045, 246506, 259480, 265468, 279440, 331835, 363272, 379240, 454090, 493012, 518960, 530936, 616265, 663670, 726544, 758480, 862771, 908180, 986024, 1061872, 1232530, 1327340, 1725542, 1816360, 1972048, 2465060, 2654680, 3451084, 3632720, 4313855, 4930120, 5309360, 6902168, 8627710, 9860240, 13804336, 17255420, 34510840, 69021680]

約数ペア:

[(1, 69021680), (2, 34510840), (4, 17255420), (5, 13804336), (7, 9860240), (8, 8627710), (10, 6902168), (13, 5309360), (14, 4930120), (16, 4313855), (19, 3632720), (20, 3451084), (26, 2654680), (28, 2465060), (35, 1972048), (38, 1816360), (40, 1725542), (52, 1327340), (56, 1232530), (65, 1061872), (70, 986024), (76, 908180), (80, 862771), (91, 758480), (95, 726544), (104, 663670), (112, 616265), (130, 530936), (133, 518960), (140, 493012), (152, 454090), (182, 379240), (190, 363272), (208, 331835), (247, 279440), (260, 265468), (266, 259480), (280, 246506), (304, 227045), (364, 189620), (380, 181636), (455, 151696), (494, 139720), (499, 138320), (520, 132734), (532, 129740), (560, 123253), (665, 103792), (728, 94810), (760, 90818), (910, 75848), (988, 69860), (998, 69160), (1040, 66367), (1064, 64870), (1235, 55888), (1330, 51896), (1456, 47405), (1520, 45409), (1729, 39920), (1820, 37924), (1976, 34930), (1996, 34580), (2128, 32435), (2470, 27944), (2495, 27664), (2660, 25948), (3458, 19960), (3493, 19760), (3640, 18962), (3952, 17465), (3992, 17290), (4940, 13972), (4990, 13832), (5320, 12974), (6487, 10640), (6916, 9980), (6986, 9880), (7280, 9481), (7984, 8645)]