278114640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1365

約数の個数: 160

約数和(自身を含む): 921369600

約数和(自身を除く): 643254960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 31, 40, 48, 58, 60, 62, 80, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 240, 248, 290, 310, 348, 372, 435, 464, 465, 496, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1289, 1392, 1488, 1740, 1798, 1860, 2320, 2480, 2578, 2697, 3480, 3596, 3720, 3867, 4495, 5156, 5394, 6445, 6960, 7192, 7440, 7734, 8990, 10312, 10788, 12890, 13485, 14384, 15468, 17980, 19335, 20624, 21576, 25780, 26970, 30936, 35960, 37381, 38670, 39959, 43152, 51560, 53940, 61872, 71920, 74762, 77340, 79918, 103120, 107880, 112143, 119877, 149524, 154680, 159836, 186905, 199795, 215760, 224286, 239754, 299048, 309360, 319672, 373810, 399590, 448572, 479508, 560715, 598096, 599385, 639344, 747620, 799180, 897144, 959016, 1121430, 1158811, 1198770, 1495240, 1598360, 1794288, 1918032, 2242860, 2317622, 2397540, 2990480, 3196720, 3476433, 4485720, 4635244, 4795080, 5794055, 6952866, 8971440, 9270488, 9590160, 11588110, 13905732, 17382165, 18540976, 23176220, 27811464, 34764330, 46352440, 55622928, 69528660, 92704880, 139057320, 278114640]

約数ペア:

[(1, 278114640), (2, 139057320), (3, 92704880), (4, 69528660), (5, 55622928), (6, 46352440), (8, 34764330), (10, 27811464), (12, 23176220), (15, 18540976), (16, 17382165), (20, 13905732), (24, 11588110), (29, 9590160), (30, 9270488), (31, 8971440), (40, 6952866), (48, 5794055), (58, 4795080), (60, 4635244), (62, 4485720), (80, 3476433), (87, 3196720), (93, 2990480), (116, 2397540), (120, 2317622), (124, 2242860), (145, 1918032), (155, 1794288), (174, 1598360), (186, 1495240), (232, 1198770), (240, 1158811), (248, 1121430), (290, 959016), (310, 897144), (348, 799180), (372, 747620), (435, 639344), (464, 599385), (465, 598096), (496, 560715), (580, 479508), (620, 448572), (696, 399590), (744, 373810), (870, 319672), (899, 309360), (930, 299048), (1160, 239754), (1240, 224286), (1289, 215760), (1392, 199795), (1488, 186905), (1740, 159836), (1798, 154680), (1860, 149524), (2320, 119877), (2480, 112143), (2578, 107880), (2697, 103120), (3480, 79918), (3596, 77340), (3720, 74762), (3867, 71920), (4495, 61872), (5156, 53940), (5394, 51560), (6445, 43152), (6960, 39959), (7192, 38670), (7440, 37381), (7734, 35960), (8990, 30936), (10312, 26970), (10788, 25780), (12890, 21576), (13485, 20624), (14384, 19335), (15468, 17980)]