78657040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^2$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 230038848

約数和(自身を除く): 151381808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 113, 140, 154, 176, 220, 226, 280, 308, 385, 440, 452, 560, 565, 616, 770, 791, 880, 904, 1130, 1232, 1243, 1540, 1582, 1808, 2260, 2486, 3080, 3164, 3955, 4520, 4972, 6160, 6215, 6328, 7910, 8701, 9040, 9944, 12430, 12656, 12769, 15820, 17402, 19888, 24860, 25538, 31640, 34804, 43505, 49720, 51076, 63280, 63845, 69608, 87010, 89383, 99440, 102152, 127690, 139216, 140459, 174020, 178766, 204304, 255380, 280918, 348040, 357532, 446915, 510760, 561836, 696080, 702295, 715064, 893830, 983213, 1021520, 1123672, 1404590, 1430128, 1787660, 1966426, 2247344, 2809180, 3575320, 3932852, 4916065, 5618360, 7150640, 7865704, 9832130, 11236720, 15731408, 19664260, 39328520, 78657040]

約数ペア:

[(1, 78657040), (2, 39328520), (4, 19664260), (5, 15731408), (7, 11236720), (8, 9832130), (10, 7865704), (11, 7150640), (14, 5618360), (16, 4916065), (20, 3932852), (22, 3575320), (28, 2809180), (35, 2247344), (40, 1966426), (44, 1787660), (55, 1430128), (56, 1404590), (70, 1123672), (77, 1021520), (80, 983213), (88, 893830), (110, 715064), (112, 702295), (113, 696080), (140, 561836), (154, 510760), (176, 446915), (220, 357532), (226, 348040), (280, 280918), (308, 255380), (385, 204304), (440, 178766), (452, 174020), (560, 140459), (565, 139216), (616, 127690), (770, 102152), (791, 99440), (880, 89383), (904, 87010), (1130, 69608), (1232, 63845), (1243, 63280), (1540, 51076), (1582, 49720), (1808, 43505), (2260, 34804), (2486, 31640), (3080, 25538), (3164, 24860), (3955, 19888), (4520, 17402), (4972, 15820), (6160, 12769), (6215, 12656), (6328, 12430), (7910, 9944), (8701, 9040)]