1286560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 96

約数和(自身を含む): 3592512

約数和(自身を除く): 2305952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 43, 44, 55, 68, 80, 85, 86, 88, 110, 136, 160, 170, 172, 176, 187, 215, 220, 272, 340, 344, 352, 374, 430, 440, 473, 544, 680, 688, 731, 748, 860, 880, 935, 946, 1360, 1376, 1462, 1496, 1720, 1760, 1870, 1892, 2365, 2720, 2924, 2992, 3440, 3655, 3740, 3784, 4730, 5848, 5984, 6880, 7310, 7480, 7568, 8041, 9460, 11696, 14620, 14960, 15136, 16082, 18920, 23392, 29240, 29920, 32164, 37840, 40205, 58480, 64328, 75680, 80410, 116960, 128656, 160820, 257312, 321640, 643280, 1286560]

約数ペア:

[(1, 1286560), (2, 643280), (4, 321640), (5, 257312), (8, 160820), (10, 128656), (11, 116960), (16, 80410), (17, 75680), (20, 64328), (22, 58480), (32, 40205), (34, 37840), (40, 32164), (43, 29920), (44, 29240), (55, 23392), (68, 18920), (80, 16082), (85, 15136), (86, 14960), (88, 14620), (110, 11696), (136, 9460), (160, 8041), (170, 7568), (172, 7480), (176, 7310), (187, 6880), (215, 5984), (220, 5848), (272, 4730), (340, 3784), (344, 3740), (352, 3655), (374, 3440), (430, 2992), (440, 2924), (473, 2720), (544, 2365), (680, 1892), (688, 1870), (731, 1760), (748, 1720), (860, 1496), (880, 1462), (935, 1376), (946, 1360)]