28699920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 200

約数和(自身を含む): 102987456

約数和(自身を除く): 74287536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 81, 86, 90, 103, 108, 120, 129, 135, 144, 162, 172, 180, 206, 215, 216, 240, 258, 270, 309, 324, 344, 360, 387, 405, 412, 430, 432, 515, 516, 540, 618, 645, 648, 688, 720, 774, 810, 824, 860, 927, 1030, 1032, 1080, 1161, 1236, 1290, 1296, 1545, 1548, 1620, 1648, 1720, 1854, 1935, 2060, 2064, 2160, 2322, 2472, 2580, 2781, 3090, 3096, 3240, 3440, 3483, 3708, 3870, 4120, 4429, 4635, 4644, 4944, 5160, 5562, 5805, 6180, 6192, 6480, 6966, 7416, 7740, 8240, 8343, 8858, 9270, 9288, 10320, 11124, 11610, 12360, 13287, 13905, 13932, 14832, 15480, 16686, 17415, 17716, 18540, 18576, 22145, 22248, 23220, 24720, 26574, 27810, 27864, 30960, 33372, 34830, 35432, 37080, 39861, 41715, 44290, 44496, 46440, 53148, 55620, 55728, 66435, 66744, 69660, 70864, 74160, 79722, 83430, 88580, 92880, 106296, 111240, 119583, 132870, 133488, 139320, 159444, 166860, 177160, 199305, 212592, 222480, 239166, 265740, 278640, 318888, 333720, 354320, 358749, 398610, 478332, 531480, 597915, 637776, 667440, 717498, 797220, 956664, 1062960, 1195830, 1434996, 1594440, 1793745, 1913328, 2391660, 2869992, 3188880, 3587490, 4783320, 5739984, 7174980, 9566640, 14349960, 28699920]

約数ペア:

[(1, 28699920), (2, 14349960), (3, 9566640), (4, 7174980), (5, 5739984), (6, 4783320), (8, 3587490), (9, 3188880), (10, 2869992), (12, 2391660), (15, 1913328), (16, 1793745), (18, 1594440), (20, 1434996), (24, 1195830), (27, 1062960), (30, 956664), (36, 797220), (40, 717498), (43, 667440), (45, 637776), (48, 597915), (54, 531480), (60, 478332), (72, 398610), (80, 358749), (81, 354320), (86, 333720), (90, 318888), (103, 278640), (108, 265740), (120, 239166), (129, 222480), (135, 212592), (144, 199305), (162, 177160), (172, 166860), (180, 159444), (206, 139320), (215, 133488), (216, 132870), (240, 119583), (258, 111240), (270, 106296), (309, 92880), (324, 88580), (344, 83430), (360, 79722), (387, 74160), (405, 70864), (412, 69660), (430, 66744), (432, 66435), (515, 55728), (516, 55620), (540, 53148), (618, 46440), (645, 44496), (648, 44290), (688, 41715), (720, 39861), (774, 37080), (810, 35432), (824, 34830), (860, 33372), (927, 30960), (1030, 27864), (1032, 27810), (1080, 26574), (1161, 24720), (1236, 23220), (1290, 22248), (1296, 22145), (1545, 18576), (1548, 18540), (1620, 17716), (1648, 17415), (1720, 16686), (1854, 15480), (1935, 14832), (2060, 13932), (2064, 13905), (2160, 13287), (2322, 12360), (2472, 11610), (2580, 11124), (2781, 10320), (3090, 9288), (3096, 9270), (3240, 8858), (3440, 8343), (3483, 8240), (3708, 7740), (3870, 7416), (4120, 6966), (4429, 6480), (4635, 6192), (4644, 6180), (4944, 5805), (5160, 5562)]