204749280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4903}}^1$

素因数の和:4953

約数の個数: 144

約数和(自身を含む): 722947680

約数和(自身を除く): 518198400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 4903, 5220, 6960, 8352, 9806, 10440, 13920, 14709, 19612, 20880, 24515, 29418, 39224, 41760, 44127, 49030, 58836, 73545, 78448, 88254, 98060, 117672, 142187, 147090, 156896, 176508, 196120, 220635, 235344, 284374, 294180, 353016, 392240, 426561, 441270, 470688, 568748, 588360, 706032, 710935, 784480, 853122, 882540, 1137496, 1176720, 1279683, 1412064, 1421870, 1706244, 1765080, 2132805, 2274992, 2353440, 2559366, 2843740, 3412488, 3530160, 4265610, 4549984, 5118732, 5687480, 6398415, 6824976, 7060320, 8531220, 10237464, 11374960, 12796830, 13649952, 17062440, 20474928, 22749920, 25593660, 34124880, 40949856, 51187320, 68249760, 102374640, 204749280]

約数ペア:

[(1, 204749280), (2, 102374640), (3, 68249760), (4, 51187320), (5, 40949856), (6, 34124880), (8, 25593660), (9, 22749920), (10, 20474928), (12, 17062440), (15, 13649952), (16, 12796830), (18, 11374960), (20, 10237464), (24, 8531220), (29, 7060320), (30, 6824976), (32, 6398415), (36, 5687480), (40, 5118732), (45, 4549984), (48, 4265610), (58, 3530160), (60, 3412488), (72, 2843740), (80, 2559366), (87, 2353440), (90, 2274992), (96, 2132805), (116, 1765080), (120, 1706244), (144, 1421870), (145, 1412064), (160, 1279683), (174, 1176720), (180, 1137496), (232, 882540), (240, 853122), (261, 784480), (288, 710935), (290, 706032), (348, 588360), (360, 568748), (435, 470688), (464, 441270), (480, 426561), (522, 392240), (580, 353016), (696, 294180), (720, 284374), (870, 235344), (928, 220635), (1044, 196120), (1160, 176508), (1305, 156896), (1392, 147090), (1440, 142187), (1740, 117672), (2088, 98060), (2320, 88254), (2610, 78448), (2784, 73545), (3480, 58836), (4176, 49030), (4640, 44127), (4903, 41760), (5220, 39224), (6960, 29418), (8352, 24515), (9806, 20880), (10440, 19612), (13920, 14709)]