78345246640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1339693}}^1$

素因数の和:1339766

約数の個数: 80

約数和(自身を含む): 197353002528

約数和(自身を除く): 119007755888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2924, 3440, 3655, 5848, 7310, 11696, 14620, 29240, 58480, 1339693, 2679386, 5358772, 6698465, 10717544, 13396930, 21435088, 22774781, 26793860, 45549562, 53587720, 57606799, 91099124, 107175440, 113873905, 115213598, 182198248, 227747810, 230427196, 288033995, 364396496, 455495620, 460854392, 576067990, 910991240, 921708784, 979315583, 1152135980, 1821982480, 1958631166, 2304271960, 3917262332, 4608543920, 4896577915, 7834524664, 9793155830, 15669049328, 19586311660, 39172623320, 78345246640]

約数ペア:

[(1, 78345246640), (2, 39172623320), (4, 19586311660), (5, 15669049328), (8, 9793155830), (10, 7834524664), (16, 4896577915), (17, 4608543920), (20, 3917262332), (34, 2304271960), (40, 1958631166), (43, 1821982480), (68, 1152135980), (80, 979315583), (85, 921708784), (86, 910991240), (136, 576067990), (170, 460854392), (172, 455495620), (215, 364396496), (272, 288033995), (340, 230427196), (344, 227747810), (430, 182198248), (680, 115213598), (688, 113873905), (731, 107175440), (860, 91099124), (1360, 57606799), (1462, 53587720), (1720, 45549562), (2924, 26793860), (3440, 22774781), (3655, 21435088), (5848, 13396930), (7310, 10717544), (11696, 6698465), (14620, 5358772), (29240, 2679386), (58480, 1339693)]