28631120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 82494720

約数和(自身を除く): 53863600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 41, 43, 56, 58, 70, 80, 82, 86, 112, 116, 140, 145, 164, 172, 203, 205, 215, 232, 280, 287, 290, 301, 328, 344, 406, 410, 430, 464, 560, 574, 580, 602, 656, 688, 812, 820, 860, 1015, 1148, 1160, 1189, 1204, 1247, 1435, 1505, 1624, 1640, 1720, 1763, 2030, 2296, 2320, 2378, 2408, 2494, 2870, 3010, 3248, 3280, 3440, 3526, 4060, 4592, 4756, 4816, 4988, 5740, 5945, 6020, 6235, 7052, 8120, 8323, 8729, 8815, 9512, 9976, 11480, 11890, 12040, 12341, 12470, 14104, 16240, 16646, 17458, 17630, 19024, 19952, 22960, 23780, 24080, 24682, 24940, 28208, 33292, 34916, 35260, 41615, 43645, 47560, 49364, 49880, 51127, 61705, 66584, 69832, 70520, 83230, 87290, 95120, 98728, 99760, 102254, 123410, 133168, 139664, 141040, 166460, 174580, 197456, 204508, 246820, 255635, 332920, 349160, 357889, 409016, 493640, 511270, 665840, 698320, 715778, 818032, 987280, 1022540, 1431556, 1789445, 2045080, 2863112, 3578890, 4090160, 5726224, 7157780, 14315560, 28631120]

約数ペア:

[(1, 28631120), (2, 14315560), (4, 7157780), (5, 5726224), (7, 4090160), (8, 3578890), (10, 2863112), (14, 2045080), (16, 1789445), (20, 1431556), (28, 1022540), (29, 987280), (35, 818032), (40, 715778), (41, 698320), (43, 665840), (56, 511270), (58, 493640), (70, 409016), (80, 357889), (82, 349160), (86, 332920), (112, 255635), (116, 246820), (140, 204508), (145, 197456), (164, 174580), (172, 166460), (203, 141040), (205, 139664), (215, 133168), (232, 123410), (280, 102254), (287, 99760), (290, 98728), (301, 95120), (328, 87290), (344, 83230), (406, 70520), (410, 69832), (430, 66584), (464, 61705), (560, 51127), (574, 49880), (580, 49364), (602, 47560), (656, 43645), (688, 41615), (812, 35260), (820, 34916), (860, 33292), (1015, 28208), (1148, 24940), (1160, 24682), (1189, 24080), (1204, 23780), (1247, 22960), (1435, 19952), (1505, 19024), (1624, 17630), (1640, 17458), (1720, 16646), (1763, 16240), (2030, 14104), (2296, 12470), (2320, 12341), (2378, 12040), (2408, 11890), (2494, 11480), (2870, 9976), (3010, 9512), (3248, 8815), (3280, 8729), (3440, 8323), (3526, 8120), (4060, 7052), (4592, 6235), (4756, 6020), (4816, 5945), (4988, 5740)]