68521440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 237081600

約数和(自身を除く): 168560160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 79, 80, 96, 104, 120, 130, 139, 156, 158, 160, 195, 208, 237, 240, 260, 278, 312, 316, 390, 395, 416, 417, 474, 480, 520, 556, 624, 632, 695, 780, 790, 834, 948, 1027, 1040, 1112, 1185, 1248, 1264, 1390, 1560, 1580, 1668, 1807, 1896, 2054, 2080, 2085, 2224, 2370, 2528, 2780, 3081, 3120, 3160, 3336, 3614, 3792, 4108, 4170, 4448, 4740, 5135, 5421, 5560, 6162, 6240, 6320, 6672, 7228, 7584, 8216, 8340, 9035, 9480, 10270, 10842, 10981, 11120, 12324, 12640, 13344, 14456, 15405, 16432, 16680, 18070, 18960, 20540, 21684, 21962, 22240, 24648, 27105, 28912, 30810, 32864, 32943, 33360, 36140, 37920, 41080, 43368, 43924, 49296, 54210, 54905, 57824, 61620, 65886, 66720, 72280, 82160, 86736, 87848, 98592, 108420, 109810, 123240, 131772, 142753, 144560, 164320, 164715, 173472, 175696, 216840, 219620, 246480, 263544, 285506, 289120, 329430, 351392, 428259, 433680, 439240, 492960, 527088, 571012, 658860, 713765, 856518, 867360, 878480, 1054176, 1142024, 1317720, 1427530, 1713036, 1756960, 2141295, 2284048, 2635440, 2855060, 3426072, 4282590, 4568096, 5270880, 5710120, 6852144, 8565180, 11420240, 13704288, 17130360, 22840480, 34260720, 68521440]

約数ペア:

[(1, 68521440), (2, 34260720), (3, 22840480), (4, 17130360), (5, 13704288), (6, 11420240), (8, 8565180), (10, 6852144), (12, 5710120), (13, 5270880), (15, 4568096), (16, 4282590), (20, 3426072), (24, 2855060), (26, 2635440), (30, 2284048), (32, 2141295), (39, 1756960), (40, 1713036), (48, 1427530), (52, 1317720), (60, 1142024), (65, 1054176), (78, 878480), (79, 867360), (80, 856518), (96, 713765), (104, 658860), (120, 571012), (130, 527088), (139, 492960), (156, 439240), (158, 433680), (160, 428259), (195, 351392), (208, 329430), (237, 289120), (240, 285506), (260, 263544), (278, 246480), (312, 219620), (316, 216840), (390, 175696), (395, 173472), (416, 164715), (417, 164320), (474, 144560), (480, 142753), (520, 131772), (556, 123240), (624, 109810), (632, 108420), (695, 98592), (780, 87848), (790, 86736), (834, 82160), (948, 72280), (1027, 66720), (1040, 65886), (1112, 61620), (1185, 57824), (1248, 54905), (1264, 54210), (1390, 49296), (1560, 43924), (1580, 43368), (1668, 41080), (1807, 37920), (1896, 36140), (2054, 33360), (2080, 32943), (2085, 32864), (2224, 30810), (2370, 28912), (2528, 27105), (2780, 24648), (3081, 22240), (3120, 21962), (3160, 21684), (3336, 20540), (3614, 18960), (3792, 18070), (4108, 16680), (4170, 16432), (4448, 15405), (4740, 14456), (5135, 13344), (5421, 12640), (5560, 12324), (6162, 11120), (6240, 10981), (6320, 10842), (6672, 10270), (7228, 9480), (7584, 9035), (8216, 8340)]