2650651640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17761}}^1$

素因数の和:17833

約数の個数: 128

約数和(自身を含む): 7519720320

約数和(自身を除く): 4869068680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1640, 1820, 2132, 2296, 2665, 2870, 3640, 3731, 4264, 5330, 5740, 7462, 10660, 11480, 14924, 17761, 18655, 21320, 29848, 35522, 37310, 71044, 74620, 88805, 124327, 142088, 149240, 177610, 230893, 248654, 355220, 461786, 497308, 621635, 710440, 728201, 923572, 994616, 1154465, 1243270, 1456402, 1616251, 1847144, 2308930, 2486540, 2912804, 3232502, 3641005, 4617860, 4973080, 5097407, 5825608, 6465004, 7282010, 8081255, 9235720, 9466613, 10194814, 12930008, 14564020, 16162510, 18933226, 20389628, 25487035, 29128040, 32325020, 37866452, 40779256, 47333065, 50974070, 64650040, 66266291, 75732904, 94666130, 101948140, 132532582, 189332260, 203896280, 265065164, 331331455, 378664520, 530130328, 662662910, 1325325820, 2650651640]

約数ペア:

[(1, 2650651640), (2, 1325325820), (4, 662662910), (5, 530130328), (7, 378664520), (8, 331331455), (10, 265065164), (13, 203896280), (14, 189332260), (20, 132532582), (26, 101948140), (28, 94666130), (35, 75732904), (40, 66266291), (41, 64650040), (52, 50974070), (56, 47333065), (65, 40779256), (70, 37866452), (82, 32325020), (91, 29128040), (104, 25487035), (130, 20389628), (140, 18933226), (164, 16162510), (182, 14564020), (205, 12930008), (260, 10194814), (280, 9466613), (287, 9235720), (328, 8081255), (364, 7282010), (410, 6465004), (455, 5825608), (520, 5097407), (533, 4973080), (574, 4617860), (728, 3641005), (820, 3232502), (910, 2912804), (1066, 2486540), (1148, 2308930), (1435, 1847144), (1640, 1616251), (1820, 1456402), (2132, 1243270), (2296, 1154465), (2665, 994616), (2870, 923572), (3640, 728201), (3731, 710440), (4264, 621635), (5330, 497308), (5740, 461786), (7462, 355220), (10660, 248654), (11480, 230893), (14924, 177610), (17761, 149240), (18655, 142088), (21320, 124327), (29848, 88805), (35522, 74620), (37310, 71044)]