1561328640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1155

約数の個数: 264

約数和(自身を含む): 5589587328

約数和(自身を除く): 4028258688

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, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 512, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1024, 1093, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1860, 1920, 1984, 2186, 2232, 2304, 2480, 2560, 2790, 2880, 2976, 3072, 3279, 3720, 3840, 3968, 4372, 4464, 4608, 4960, 5120, 5465, 5580, 5760, 5952, 6558, 7440, 7680, 7936, 8744, 8928, 9216, 9837, 9920, 10930, 11160, 11520, 11904, 13116, 14880, 15360, 15872, 16395, 17488, 17856, 19674, 19840, 21860, 22320, 23040, 23808, 26232, 29760, 31744, 32790, 33883, 34976, 35712, 39348, 39680, 43720, 44640, 46080, 47616, 49185, 52464, 59520, 65580, 67766, 69952, 71424, 78696, 79360, 87440, 89280, 95232, 98370, 101649, 104928, 119040, 131160, 135532, 139904, 142848, 157392, 158720, 169415, 174880, 178560, 196740, 203298, 209856, 238080, 262320, 271064, 279808, 285696, 304947, 314784, 338830, 349760, 357120, 393480, 406596, 419712, 476160, 508245, 524640, 542128, 559616, 609894, 629568, 677660, 699520, 714240, 786960, 813192, 839424, 1016490, 1049280, 1084256, 1119232, 1219788, 1259136, 1355320, 1399040, 1428480, 1524735, 1573920, 1626384, 1678848, 2032980, 2098560, 2168512, 2439576, 2518272, 2710640, 2798080, 3049470, 3147840, 3252768, 3357696, 4065960, 4197120, 4337024, 4879152, 5036544, 5421280, 5596160, 6098940, 6295680, 6505536, 8131920, 8394240, 8674048, 9758304, 10073088, 10842560, 12197880, 12591360, 13011072, 16263840, 16788480, 17348096, 19516608, 21685120, 24395760, 25182720, 26022144, 32527680, 34696192, 39033216, 43370240, 48791520, 50365440, 52044288, 65055360, 78066432, 86740480, 97583040, 104088576, 130110720, 156132864, 173480960, 195166080, 260221440, 312265728, 390332160, 520442880, 780664320, 1561328640]

約数ペア:

[(1, 1561328640), (2, 780664320), (3, 520442880), (4, 390332160), (5, 312265728), (6, 260221440), (8, 195166080), (9, 173480960), (10, 156132864), (12, 130110720), (15, 104088576), (16, 97583040), (18, 86740480), (20, 78066432), (24, 65055360), (30, 52044288), (31, 50365440), (32, 48791520), (36, 43370240), (40, 39033216), (45, 34696192), (48, 32527680), (60, 26022144), (62, 25182720), (64, 24395760), (72, 21685120), (80, 19516608), (90, 17348096), (93, 16788480), (96, 16263840), (120, 13011072), (124, 12591360), (128, 12197880), (144, 10842560), (155, 10073088), (160, 9758304), (180, 8674048), (186, 8394240), (192, 8131920), (240, 6505536), (248, 6295680), (256, 6098940), (279, 5596160), (288, 5421280), (310, 5036544), (320, 4879152), (360, 4337024), (372, 4197120), (384, 4065960), (465, 3357696), (480, 3252768), (496, 3147840), (512, 3049470), (558, 2798080), (576, 2710640), (620, 2518272), (640, 2439576), (720, 2168512), (744, 2098560), (768, 2032980), (930, 1678848), (960, 1626384), (992, 1573920), (1024, 1524735), (1093, 1428480), (1116, 1399040), (1152, 1355320), (1240, 1259136), (1280, 1219788), (1395, 1119232), (1440, 1084256), (1488, 1049280), (1536, 1016490), (1860, 839424), (1920, 813192), (1984, 786960), (2186, 714240), (2232, 699520), (2304, 677660), (2480, 629568), (2560, 609894), (2790, 559616), (2880, 542128), (2976, 524640), (3072, 508245), (3279, 476160), (3720, 419712), (3840, 406596), (3968, 393480), (4372, 357120), (4464, 349760), (4608, 338830), (4960, 314784), (5120, 304947), (5465, 285696), (5580, 279808), (5760, 271064), (5952, 262320), (6558, 238080), (7440, 209856), (7680, 203298), (7936, 196740), (8744, 178560), (8928, 174880), (9216, 169415), (9837, 158720), (9920, 157392), (10930, 142848), (11160, 139904), (11520, 135532), (11904, 131160), (13116, 119040), (14880, 104928), (15360, 101649), (15872, 98370), (16395, 95232), (17488, 89280), (17856, 87440), (19674, 79360), (19840, 78696), (21860, 71424), (22320, 69952), (23040, 67766), (23808, 65580), (26232, 59520), (29760, 52464), (31744, 49185), (32790, 47616), (33883, 46080), (34976, 44640), (35712, 43720), (39348, 39680)]