221539120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8681}}^1$

素因数の和:8734

約数の個数: 80

約数和(自身を含む): 581346720

約数和(自身を除く): 359807600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 8681, 12760, 17362, 25520, 34724, 43405, 69448, 86810, 95491, 138896, 173620, 190982, 251749, 347240, 381964, 477455, 503498, 694480, 763928, 954910, 1006996, 1258745, 1527856, 1909820, 2013992, 2517490, 2769239, 3819640, 4027984, 5034980, 5538478, 7639280, 10069960, 11076956, 13846195, 20139920, 22153912, 27692390, 44307824, 55384780, 110769560, 221539120]

約数ペア:

[(1, 221539120), (2, 110769560), (4, 55384780), (5, 44307824), (8, 27692390), (10, 22153912), (11, 20139920), (16, 13846195), (20, 11076956), (22, 10069960), (29, 7639280), (40, 5538478), (44, 5034980), (55, 4027984), (58, 3819640), (80, 2769239), (88, 2517490), (110, 2013992), (116, 1909820), (145, 1527856), (176, 1258745), (220, 1006996), (232, 954910), (290, 763928), (319, 694480), (440, 503498), (464, 477455), (580, 381964), (638, 347240), (880, 251749), (1160, 190982), (1276, 173620), (1595, 138896), (2320, 95491), (2552, 86810), (3190, 69448), (5104, 43405), (6380, 34724), (8681, 25520), (12760, 17362)]