28729680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 160

約数和(自身を含む): 104160000

約数和(自身を除く): 75430320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 349, 392, 420, 490, 560, 588, 686, 698, 735, 784, 840, 980, 1029, 1047, 1176, 1372, 1396, 1470, 1680, 1715, 1745, 1960, 2058, 2094, 2352, 2443, 2744, 2792, 2940, 3430, 3490, 3920, 4116, 4188, 4886, 5145, 5235, 5488, 5584, 5880, 6860, 6980, 7329, 8232, 8376, 9772, 10290, 10470, 11760, 12215, 13720, 13960, 14658, 16464, 16752, 17101, 19544, 20580, 20940, 24430, 27440, 27920, 29316, 34202, 36645, 39088, 41160, 41880, 48860, 51303, 58632, 68404, 73290, 82320, 83760, 85505, 97720, 102606, 117264, 119707, 136808, 146580, 171010, 195440, 205212, 239414, 256515, 273616, 293160, 342020, 359121, 410424, 478828, 513030, 586320, 598535, 684040, 718242, 820848, 957656, 1026060, 1197070, 1368080, 1436484, 1795605, 1915312, 2052120, 2394140, 2872968, 3591210, 4104240, 4788280, 5745936, 7182420, 9576560, 14364840, 28729680]

約数ペア:

[(1, 28729680), (2, 14364840), (3, 9576560), (4, 7182420), (5, 5745936), (6, 4788280), (7, 4104240), (8, 3591210), (10, 2872968), (12, 2394140), (14, 2052120), (15, 1915312), (16, 1795605), (20, 1436484), (21, 1368080), (24, 1197070), (28, 1026060), (30, 957656), (35, 820848), (40, 718242), (42, 684040), (48, 598535), (49, 586320), (56, 513030), (60, 478828), (70, 410424), (80, 359121), (84, 342020), (98, 293160), (105, 273616), (112, 256515), (120, 239414), (140, 205212), (147, 195440), (168, 171010), (196, 146580), (210, 136808), (240, 119707), (245, 117264), (280, 102606), (294, 97720), (336, 85505), (343, 83760), (349, 82320), (392, 73290), (420, 68404), (490, 58632), (560, 51303), (588, 48860), (686, 41880), (698, 41160), (735, 39088), (784, 36645), (840, 34202), (980, 29316), (1029, 27920), (1047, 27440), (1176, 24430), (1372, 20940), (1396, 20580), (1470, 19544), (1680, 17101), (1715, 16752), (1745, 16464), (1960, 14658), (2058, 13960), (2094, 13720), (2352, 12215), (2443, 11760), (2744, 10470), (2792, 10290), (2940, 9772), (3430, 8376), (3490, 8232), (3920, 7329), (4116, 6980), (4188, 6860), (4886, 5880), (5145, 5584), (5235, 5488)]