1391793040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{36781}}^1$

素因数の和:36848

約数の個数: 80

約数和(自身を含む): 3612286656

約数和(自身を除く): 2220493616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 18920, 36781, 37840, 73562, 147124, 183905, 294248, 367810, 404591, 588496, 735620, 809182, 1471240, 1581583, 1618364, 2022955, 2942480, 3163166, 3236728, 4045910, 6326332, 6473456, 7907915, 8091820, 12652664, 15815830, 16183640, 17397413, 25305328, 31631660, 32367280, 34794826, 63263320, 69589652, 86987065, 126526640, 139179304, 173974130, 278358608, 347948260, 695896520, 1391793040]

約数ペア:

[(1, 1391793040), (2, 695896520), (4, 347948260), (5, 278358608), (8, 173974130), (10, 139179304), (11, 126526640), (16, 86987065), (20, 69589652), (22, 63263320), (40, 34794826), (43, 32367280), (44, 31631660), (55, 25305328), (80, 17397413), (86, 16183640), (88, 15815830), (110, 12652664), (172, 8091820), (176, 7907915), (215, 6473456), (220, 6326332), (344, 4045910), (430, 3236728), (440, 3163166), (473, 2942480), (688, 2022955), (860, 1618364), (880, 1581583), (946, 1471240), (1720, 809182), (1892, 735620), (2365, 588496), (3440, 404591), (3784, 367810), (4730, 294248), (7568, 183905), (9460, 147124), (18920, 73562), (36781, 37840)]