28378560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 224

約数和(自身を含む): 106509312

約数和(自身を除く): 78130752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 103, 105, 112, 120, 123, 140, 160, 164, 168, 192, 205, 206, 210, 224, 240, 246, 280, 287, 309, 320, 328, 336, 410, 412, 420, 448, 480, 492, 515, 560, 574, 615, 618, 656, 672, 721, 820, 824, 840, 861, 960, 984, 1030, 1120, 1148, 1230, 1236, 1312, 1344, 1435, 1442, 1545, 1640, 1648, 1680, 1722, 1968, 2060, 2163, 2240, 2296, 2460, 2472, 2624, 2870, 2884, 3090, 3280, 3296, 3360, 3444, 3605, 3936, 4120, 4223, 4305, 4326, 4592, 4920, 4944, 5740, 5768, 6180, 6560, 6592, 6720, 6888, 7210, 7872, 8240, 8446, 8610, 8652, 9184, 9840, 9888, 10815, 11480, 11536, 12360, 12669, 13120, 13776, 14420, 16480, 16892, 17220, 17304, 18368, 19680, 19776, 21115, 21630, 22960, 23072, 24720, 25338, 27552, 28840, 29561, 32960, 33784, 34440, 34608, 39360, 42230, 43260, 45920, 46144, 49440, 50676, 55104, 57680, 59122, 63345, 67568, 68880, 69216, 84460, 86520, 88683, 91840, 98880, 101352, 115360, 118244, 126690, 135136, 137760, 138432, 147805, 168920, 173040, 177366, 202704, 230720, 236488, 253380, 270272, 275520, 295610, 337840, 346080, 354732, 405408, 443415, 472976, 506760, 591220, 675680, 692160, 709464, 810816, 886830, 945952, 1013520, 1182440, 1351360, 1418928, 1773660, 1891904, 2027040, 2364880, 2837856, 3547320, 4054080, 4729760, 5675712, 7094640, 9459520, 14189280, 28378560]

約数ペア:

[(1, 28378560), (2, 14189280), (3, 9459520), (4, 7094640), (5, 5675712), (6, 4729760), (7, 4054080), (8, 3547320), (10, 2837856), (12, 2364880), (14, 2027040), (15, 1891904), (16, 1773660), (20, 1418928), (21, 1351360), (24, 1182440), (28, 1013520), (30, 945952), (32, 886830), (35, 810816), (40, 709464), (41, 692160), (42, 675680), (48, 591220), (56, 506760), (60, 472976), (64, 443415), (70, 405408), (80, 354732), (82, 346080), (84, 337840), (96, 295610), (103, 275520), (105, 270272), (112, 253380), (120, 236488), (123, 230720), (140, 202704), (160, 177366), (164, 173040), (168, 168920), (192, 147805), (205, 138432), (206, 137760), (210, 135136), (224, 126690), (240, 118244), (246, 115360), (280, 101352), (287, 98880), (309, 91840), (320, 88683), (328, 86520), (336, 84460), (410, 69216), (412, 68880), (420, 67568), (448, 63345), (480, 59122), (492, 57680), (515, 55104), (560, 50676), (574, 49440), (615, 46144), (618, 45920), (656, 43260), (672, 42230), (721, 39360), (820, 34608), (824, 34440), (840, 33784), (861, 32960), (960, 29561), (984, 28840), (1030, 27552), (1120, 25338), (1148, 24720), (1230, 23072), (1236, 22960), (1312, 21630), (1344, 21115), (1435, 19776), (1442, 19680), (1545, 18368), (1640, 17304), (1648, 17220), (1680, 16892), (1722, 16480), (1968, 14420), (2060, 13776), (2163, 13120), (2240, 12669), (2296, 12360), (2460, 11536), (2472, 11480), (2624, 10815), (2870, 9888), (2884, 9840), (3090, 9184), (3280, 8652), (3296, 8610), (3360, 8446), (3444, 8240), (3605, 7872), (3936, 7210), (4120, 6888), (4223, 6720), (4305, 6592), (4326, 6560), (4592, 6180), (4920, 5768), (4944, 5740)]