205079880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1975

約数の個数: 128

約数和(自身を含む): 657331200

約数和(自身を除く): 452251320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 1901, 2697, 3480, 3596, 3720, 3802, 4495, 5394, 5703, 7192, 7604, 8990, 9505, 10788, 11406, 13485, 15208, 17980, 19010, 21576, 22812, 26970, 28515, 35960, 38020, 45624, 53940, 55129, 57030, 58931, 76040, 107880, 110258, 114060, 117862, 165387, 176793, 220516, 228120, 235724, 275645, 294655, 330774, 353586, 441032, 471448, 551290, 589310, 661548, 707172, 826935, 883965, 1102580, 1178620, 1323096, 1414344, 1653870, 1708999, 1767930, 2205160, 2357240, 3307740, 3417998, 3535860, 5126997, 6615480, 6835996, 7071720, 8544995, 10253994, 13671992, 17089990, 20507988, 25634985, 34179980, 41015976, 51269970, 68359960, 102539940, 205079880]

約数ペア:

[(1, 205079880), (2, 102539940), (3, 68359960), (4, 51269970), (5, 41015976), (6, 34179980), (8, 25634985), (10, 20507988), (12, 17089990), (15, 13671992), (20, 10253994), (24, 8544995), (29, 7071720), (30, 6835996), (31, 6615480), (40, 5126997), (58, 3535860), (60, 3417998), (62, 3307740), (87, 2357240), (93, 2205160), (116, 1767930), (120, 1708999), (124, 1653870), (145, 1414344), (155, 1323096), (174, 1178620), (186, 1102580), (232, 883965), (248, 826935), (290, 707172), (310, 661548), (348, 589310), (372, 551290), (435, 471448), (465, 441032), (580, 353586), (620, 330774), (696, 294655), (744, 275645), (870, 235724), (899, 228120), (930, 220516), (1160, 176793), (1240, 165387), (1740, 117862), (1798, 114060), (1860, 110258), (1901, 107880), (2697, 76040), (3480, 58931), (3596, 57030), (3720, 55129), (3802, 53940), (4495, 45624), (5394, 38020), (5703, 35960), (7192, 28515), (7604, 26970), (8990, 22812), (9505, 21576), (10788, 19010), (11406, 17980), (13485, 15208)]