28402080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 104509440

約数和(自身を除く): 76107360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 107, 112, 120, 140, 158, 160, 168, 210, 214, 224, 237, 240, 280, 316, 321, 336, 395, 420, 428, 474, 480, 535, 553, 560, 632, 642, 672, 749, 790, 840, 856, 948, 1070, 1106, 1120, 1185, 1264, 1284, 1498, 1580, 1605, 1659, 1680, 1712, 1896, 2140, 2212, 2247, 2370, 2528, 2568, 2765, 2996, 3160, 3210, 3318, 3360, 3424, 3745, 3792, 4280, 4424, 4494, 4740, 5136, 5530, 5992, 6320, 6420, 6636, 7490, 7584, 8295, 8453, 8560, 8848, 8988, 9480, 10272, 11060, 11235, 11984, 12640, 12840, 13272, 14980, 16590, 16906, 17120, 17696, 17976, 18960, 22120, 22470, 23968, 25359, 25680, 26544, 29960, 33180, 33812, 35952, 37920, 42265, 44240, 44940, 50718, 51360, 53088, 59171, 59920, 66360, 67624, 71904, 84530, 88480, 89880, 101436, 118342, 119840, 126795, 132720, 135248, 169060, 177513, 179760, 202872, 236684, 253590, 265440, 270496, 295855, 338120, 355026, 359520, 405744, 473368, 507180, 591710, 676240, 710052, 811488, 887565, 946736, 1014360, 1183420, 1352480, 1420104, 1775130, 1893472, 2028720, 2366840, 2840208, 3550260, 4057440, 4733680, 5680416, 7100520, 9467360, 14201040, 28402080]

約数ペア:

[(1, 28402080), (2, 14201040), (3, 9467360), (4, 7100520), (5, 5680416), (6, 4733680), (7, 4057440), (8, 3550260), (10, 2840208), (12, 2366840), (14, 2028720), (15, 1893472), (16, 1775130), (20, 1420104), (21, 1352480), (24, 1183420), (28, 1014360), (30, 946736), (32, 887565), (35, 811488), (40, 710052), (42, 676240), (48, 591710), (56, 507180), (60, 473368), (70, 405744), (79, 359520), (80, 355026), (84, 338120), (96, 295855), (105, 270496), (107, 265440), (112, 253590), (120, 236684), (140, 202872), (158, 179760), (160, 177513), (168, 169060), (210, 135248), (214, 132720), (224, 126795), (237, 119840), (240, 118342), (280, 101436), (316, 89880), (321, 88480), (336, 84530), (395, 71904), (420, 67624), (428, 66360), (474, 59920), (480, 59171), (535, 53088), (553, 51360), (560, 50718), (632, 44940), (642, 44240), (672, 42265), (749, 37920), (790, 35952), (840, 33812), (856, 33180), (948, 29960), (1070, 26544), (1106, 25680), (1120, 25359), (1185, 23968), (1264, 22470), (1284, 22120), (1498, 18960), (1580, 17976), (1605, 17696), (1659, 17120), (1680, 16906), (1712, 16590), (1896, 14980), (2140, 13272), (2212, 12840), (2247, 12640), (2370, 11984), (2528, 11235), (2568, 11060), (2765, 10272), (2996, 9480), (3160, 8988), (3210, 8848), (3318, 8560), (3360, 8453), (3424, 8295), (3745, 7584), (3792, 7490), (4280, 6636), (4424, 6420), (4494, 6320), (4740, 5992), (5136, 5530)]