217709280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4929

約数の個数: 144

約数和(自身を含む): 767055744

約数和(自身を除く): 549346464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4877, 4960, 5580, 7440, 8928, 9754, 11160, 14631, 14880, 19508, 22320, 24385, 29262, 39016, 43893, 44640, 48770, 58524, 73155, 78032, 87786, 97540, 117048, 146310, 151187, 156064, 175572, 195080, 219465, 234096, 292620, 302374, 351144, 390160, 438930, 453561, 468192, 585240, 604748, 702288, 755935, 780320, 877860, 907122, 1170480, 1209496, 1360683, 1404576, 1511870, 1755720, 1814244, 2267805, 2340960, 2418992, 2721366, 3023740, 3511440, 3628488, 4535610, 4837984, 5442732, 6047480, 6803415, 7022880, 7256976, 9071220, 10885464, 12094960, 13606830, 14513952, 18142440, 21770928, 24189920, 27213660, 36284880, 43541856, 54427320, 72569760, 108854640, 217709280]

約数ペア:

[(1, 217709280), (2, 108854640), (3, 72569760), (4, 54427320), (5, 43541856), (6, 36284880), (8, 27213660), (9, 24189920), (10, 21770928), (12, 18142440), (15, 14513952), (16, 13606830), (18, 12094960), (20, 10885464), (24, 9071220), (30, 7256976), (31, 7022880), (32, 6803415), (36, 6047480), (40, 5442732), (45, 4837984), (48, 4535610), (60, 3628488), (62, 3511440), (72, 3023740), (80, 2721366), (90, 2418992), (93, 2340960), (96, 2267805), (120, 1814244), (124, 1755720), (144, 1511870), (155, 1404576), (160, 1360683), (180, 1209496), (186, 1170480), (240, 907122), (248, 877860), (279, 780320), (288, 755935), (310, 702288), (360, 604748), (372, 585240), (465, 468192), (480, 453561), (496, 438930), (558, 390160), (620, 351144), (720, 302374), (744, 292620), (930, 234096), (992, 219465), (1116, 195080), (1240, 175572), (1395, 156064), (1440, 151187), (1488, 146310), (1860, 117048), (2232, 97540), (2480, 87786), (2790, 78032), (2976, 73155), (3720, 58524), (4464, 48770), (4877, 44640), (4960, 43893), (5580, 39016), (7440, 29262), (8928, 24385), (9754, 22320), (11160, 19508), (14631, 14880)]