1649166640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{2437}}^1$

素因数の和:3230

約数の個数: 80

約数和(自身を含む): 4190044320

約数和(自身を除く): 2540877680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 769, 880, 1538, 2437, 3076, 3845, 4874, 6152, 7690, 8459, 9748, 12185, 12304, 15380, 16918, 19496, 24370, 26807, 30760, 33836, 38992, 42295, 48740, 53614, 61520, 67672, 84590, 97480, 107228, 134035, 135344, 169180, 194960, 214456, 268070, 338360, 428912, 536140, 676720, 1072280, 1874053, 2144560, 3748106, 7496212, 9370265, 14992424, 18740530, 20614583, 29984848, 37481060, 41229166, 74962120, 82458332, 103072915, 149924240, 164916664, 206145830, 329833328, 412291660, 824583320, 1649166640]

約数ペア:

[(1, 1649166640), (2, 824583320), (4, 412291660), (5, 329833328), (8, 206145830), (10, 164916664), (11, 149924240), (16, 103072915), (20, 82458332), (22, 74962120), (40, 41229166), (44, 37481060), (55, 29984848), (80, 20614583), (88, 18740530), (110, 14992424), (176, 9370265), (220, 7496212), (440, 3748106), (769, 2144560), (880, 1874053), (1538, 1072280), (2437, 676720), (3076, 536140), (3845, 428912), (4874, 338360), (6152, 268070), (7690, 214456), (8459, 194960), (9748, 169180), (12185, 135344), (12304, 134035), (15380, 107228), (16918, 97480), (19496, 84590), (24370, 67672), (26807, 61520), (30760, 53614), (33836, 48740), (38992, 42295)]