187900920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 640224000

約数和(自身を除く): 452323080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 113, 120, 124, 149, 155, 180, 186, 226, 248, 279, 298, 310, 339, 360, 372, 447, 452, 465, 558, 565, 596, 620, 678, 744, 745, 894, 904, 930, 1017, 1116, 1130, 1192, 1240, 1341, 1356, 1395, 1490, 1695, 1788, 1860, 2034, 2232, 2235, 2260, 2682, 2712, 2790, 2980, 3390, 3503, 3576, 3720, 4068, 4470, 4520, 4619, 5085, 5364, 5580, 5960, 6705, 6780, 7006, 8136, 8940, 9238, 10170, 10509, 10728, 11160, 13410, 13560, 13857, 14012, 16837, 17515, 17880, 18476, 20340, 21018, 23095, 26820, 27714, 28024, 31527, 33674, 35030, 36952, 40680, 41571, 42036, 46190, 50511, 52545, 53640, 55428, 63054, 67348, 69285, 70060, 83142, 84072, 84185, 92380, 101022, 105090, 110856, 126108, 134696, 138570, 140120, 151533, 157635, 166284, 168370, 184760, 202044, 207855, 210180, 252216, 252555, 277140, 303066, 315270, 332568, 336740, 404088, 415710, 420360, 505110, 521947, 554280, 606132, 630540, 673480, 757665, 831420, 1010220, 1043894, 1212264, 1261080, 1515330, 1565841, 1662840, 2020440, 2087788, 2609735, 3030660, 3131682, 4175576, 4697523, 5219470, 6061320, 6263364, 7829205, 9395046, 10438940, 12526728, 15658410, 18790092, 20877880, 23487615, 31316820, 37580184, 46975230, 62633640, 93950460, 187900920]

約数ペア:

[(1, 187900920), (2, 93950460), (3, 62633640), (4, 46975230), (5, 37580184), (6, 31316820), (8, 23487615), (9, 20877880), (10, 18790092), (12, 15658410), (15, 12526728), (18, 10438940), (20, 9395046), (24, 7829205), (30, 6263364), (31, 6061320), (36, 5219470), (40, 4697523), (45, 4175576), (60, 3131682), (62, 3030660), (72, 2609735), (90, 2087788), (93, 2020440), (113, 1662840), (120, 1565841), (124, 1515330), (149, 1261080), (155, 1212264), (180, 1043894), (186, 1010220), (226, 831420), (248, 757665), (279, 673480), (298, 630540), (310, 606132), (339, 554280), (360, 521947), (372, 505110), (447, 420360), (452, 415710), (465, 404088), (558, 336740), (565, 332568), (596, 315270), (620, 303066), (678, 277140), (744, 252555), (745, 252216), (894, 210180), (904, 207855), (930, 202044), (1017, 184760), (1116, 168370), (1130, 166284), (1192, 157635), (1240, 151533), (1341, 140120), (1356, 138570), (1395, 134696), (1490, 126108), (1695, 110856), (1788, 105090), (1860, 101022), (2034, 92380), (2232, 84185), (2235, 84072), (2260, 83142), (2682, 70060), (2712, 69285), (2790, 67348), (2980, 63054), (3390, 55428), (3503, 53640), (3576, 52545), (3720, 50511), (4068, 46190), (4470, 42036), (4520, 41571), (4619, 40680), (5085, 36952), (5364, 35030), (5580, 33674), (5960, 31527), (6705, 28024), (6780, 27714), (7006, 26820), (8136, 23095), (8940, 21018), (9238, 20340), (10170, 18476), (10509, 17880), (10728, 17515), (11160, 16837), (13410, 14012), (13560, 13857)]