1987491840

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2148

約数の個数: 192

約数和(自身を含む): 6566676480

約数和(自身を除く): 4579184640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2048, 2087, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4174, 4960, 5120, 5952, 6144, 6261, 7440, 7680, 7936, 8348, 9920, 10240, 10435, 11904, 12522, 14880, 15360, 15872, 16696, 19840, 20870, 23808, 25044, 29760, 30720, 31305, 31744, 33392, 39680, 41740, 47616, 50088, 59520, 62610, 63488, 64697, 66784, 79360, 83480, 95232, 100176, 119040, 125220, 129394, 133568, 158720, 166960, 190464, 194091, 200352, 238080, 250440, 258788, 267136, 317440, 323485, 333920, 388182, 400704, 476160, 500880, 517576, 534272, 646970, 667840, 776364, 801408, 952320, 970455, 1001760, 1035152, 1068544, 1293940, 1335680, 1552728, 1602816, 1940910, 2003520, 2070304, 2137088, 2587880, 2671360, 3105456, 3205632, 3881820, 4007040, 4140608, 4274176, 5175760, 5342720, 6210912, 6411264, 7763640, 8014080, 8281216, 10351520, 10685440, 12421824, 12822528, 15527280, 16028160, 16562432, 20703040, 21370880, 24843648, 31054560, 32056320, 33124864, 41406080, 49687296, 62109120, 64112640, 66249728, 82812160, 99374592, 124218240, 132499456, 165624320, 198749184, 248436480, 331248640, 397498368, 496872960, 662497280, 993745920, 1987491840]

約数ペア:

[(1, 1987491840), (2, 993745920), (3, 662497280), (4, 496872960), (5, 397498368), (6, 331248640), (8, 248436480), (10, 198749184), (12, 165624320), (15, 132499456), (16, 124218240), (20, 99374592), (24, 82812160), (30, 66249728), (31, 64112640), (32, 62109120), (40, 49687296), (48, 41406080), (60, 33124864), (62, 32056320), (64, 31054560), (80, 24843648), (93, 21370880), (96, 20703040), (120, 16562432), (124, 16028160), (128, 15527280), (155, 12822528), (160, 12421824), (186, 10685440), (192, 10351520), (240, 8281216), (248, 8014080), (256, 7763640), (310, 6411264), (320, 6210912), (372, 5342720), (384, 5175760), (465, 4274176), (480, 4140608), (496, 4007040), (512, 3881820), (620, 3205632), (640, 3105456), (744, 2671360), (768, 2587880), (930, 2137088), (960, 2070304), (992, 2003520), (1024, 1940910), (1240, 1602816), (1280, 1552728), (1488, 1335680), (1536, 1293940), (1860, 1068544), (1920, 1035152), (1984, 1001760), (2048, 970455), (2087, 952320), (2480, 801408), (2560, 776364), (2976, 667840), (3072, 646970), (3720, 534272), (3840, 517576), (3968, 500880), (4174, 476160), (4960, 400704), (5120, 388182), (5952, 333920), (6144, 323485), (6261, 317440), (7440, 267136), (7680, 258788), (7936, 250440), (8348, 238080), (9920, 200352), (10240, 194091), (10435, 190464), (11904, 166960), (12522, 158720), (14880, 133568), (15360, 129394), (15872, 125220), (16696, 119040), (19840, 100176), (20870, 95232), (23808, 83480), (25044, 79360), (29760, 66784), (30720, 64697), (31305, 63488), (31744, 62610), (33392, 59520), (39680, 50088), (41740, 47616)]