205127440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:809

約数の個数: 160

約数和(自身を含む): 597818880

約数和(自身を除く): 392691440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 80, 85, 112, 116, 119, 136, 140, 145, 170, 203, 232, 238, 272, 280, 290, 340, 406, 464, 476, 493, 560, 580, 595, 680, 743, 812, 952, 986, 1015, 1160, 1190, 1360, 1486, 1624, 1904, 1972, 2030, 2320, 2380, 2465, 2972, 3248, 3451, 3715, 3944, 4060, 4760, 4930, 5201, 5944, 6902, 7430, 7888, 8120, 9520, 9860, 10402, 11888, 12631, 13804, 14860, 16240, 17255, 19720, 20804, 21547, 25262, 26005, 27608, 29720, 34510, 39440, 41608, 43094, 50524, 52010, 55216, 59440, 63155, 69020, 83216, 86188, 88417, 101048, 104020, 107735, 126310, 138040, 150829, 172376, 176834, 202096, 208040, 215470, 252620, 276080, 301658, 344752, 353668, 366299, 416080, 430940, 442085, 505240, 603316, 707336, 732598, 754145, 861880, 884170, 1010480, 1206632, 1414672, 1465196, 1508290, 1723760, 1768340, 1831495, 2413264, 2564093, 2930392, 3016580, 3536680, 3662990, 5128186, 5860784, 6033160, 7073360, 7325980, 10256372, 12066320, 12820465, 14651960, 20512744, 25640930, 29303920, 41025488, 51281860, 102563720, 205127440]

約数ペア:

[(1, 205127440), (2, 102563720), (4, 51281860), (5, 41025488), (7, 29303920), (8, 25640930), (10, 20512744), (14, 14651960), (16, 12820465), (17, 12066320), (20, 10256372), (28, 7325980), (29, 7073360), (34, 6033160), (35, 5860784), (40, 5128186), (56, 3662990), (58, 3536680), (68, 3016580), (70, 2930392), (80, 2564093), (85, 2413264), (112, 1831495), (116, 1768340), (119, 1723760), (136, 1508290), (140, 1465196), (145, 1414672), (170, 1206632), (203, 1010480), (232, 884170), (238, 861880), (272, 754145), (280, 732598), (290, 707336), (340, 603316), (406, 505240), (464, 442085), (476, 430940), (493, 416080), (560, 366299), (580, 353668), (595, 344752), (680, 301658), (743, 276080), (812, 252620), (952, 215470), (986, 208040), (1015, 202096), (1160, 176834), (1190, 172376), (1360, 150829), (1486, 138040), (1624, 126310), (1904, 107735), (1972, 104020), (2030, 101048), (2320, 88417), (2380, 86188), (2465, 83216), (2972, 69020), (3248, 63155), (3451, 59440), (3715, 55216), (3944, 52010), (4060, 50524), (4760, 43094), (4930, 41608), (5201, 39440), (5944, 34510), (6902, 29720), (7430, 27608), (7888, 26005), (8120, 25262), (9520, 21547), (9860, 20804), (10402, 19720), (11888, 17255), (12631, 16240), (13804, 14860)]