320125680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3343}}^1$

素因数の和:3388

約数の個数: 240

約数和(自身を含む): 1293726720

約数和(自身を除く): 973601040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3343, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6686, 6840, 7980, 9576, 10029, 10640, 11970, 13372, 13680, 15960, 16715, 19152, 20058, 23401, 23940, 26744, 30087, 31920, 33430, 40116, 46802, 47880, 50145, 53488, 60174, 63517, 66860, 70203, 80232, 93604, 95760, 100290, 117005, 120348, 127034, 133720, 140406, 150435, 160464, 187208, 190551, 200580, 210609, 234010, 240696, 254068, 267440, 280812, 300870, 317585, 351015, 374416, 381102, 401160, 421218, 444619, 468020, 481392, 508136, 561624, 571653, 601740, 635170, 702030, 762204, 802320, 842436, 889238, 936040, 952755, 1016272, 1053045, 1123248, 1143306, 1203480, 1270340, 1333857, 1404060, 1524408, 1684872, 1778476, 1872080, 1905510, 2106090, 2223095, 2286612, 2406960, 2540680, 2667714, 2808120, 2858265, 3048816, 3369744, 3556952, 3811020, 4001571, 4212180, 4446190, 4573224, 5081360, 5335428, 5616240, 5716530, 6669285, 7113904, 7622040, 8003142, 8424360, 8892380, 9146448, 10670856, 11433060, 13338570, 15244080, 16006284, 16848720, 17784760, 20007855, 21341712, 22866120, 26677140, 32012568, 35569520, 40015710, 45732240, 53354280, 64025136, 80031420, 106708560, 160062840, 320125680]

約数ペア:

[(1, 320125680), (2, 160062840), (3, 106708560), (4, 80031420), (5, 64025136), (6, 53354280), (7, 45732240), (8, 40015710), (9, 35569520), (10, 32012568), (12, 26677140), (14, 22866120), (15, 21341712), (16, 20007855), (18, 17784760), (19, 16848720), (20, 16006284), (21, 15244080), (24, 13338570), (28, 11433060), (30, 10670856), (35, 9146448), (36, 8892380), (38, 8424360), (40, 8003142), (42, 7622040), (45, 7113904), (48, 6669285), (56, 5716530), (57, 5616240), (60, 5335428), (63, 5081360), (70, 4573224), (72, 4446190), (76, 4212180), (80, 4001571), (84, 3811020), (90, 3556952), (95, 3369744), (105, 3048816), (112, 2858265), (114, 2808120), (120, 2667714), (126, 2540680), (133, 2406960), (140, 2286612), (144, 2223095), (152, 2106090), (168, 1905510), (171, 1872080), (180, 1778476), (190, 1684872), (210, 1524408), (228, 1404060), (240, 1333857), (252, 1270340), (266, 1203480), (280, 1143306), (285, 1123248), (304, 1053045), (315, 1016272), (336, 952755), (342, 936040), (360, 889238), (380, 842436), (399, 802320), (420, 762204), (456, 702030), (504, 635170), (532, 601740), (560, 571653), (570, 561624), (630, 508136), (665, 481392), (684, 468020), (720, 444619), (760, 421218), (798, 401160), (840, 381102), (855, 374416), (912, 351015), (1008, 317585), (1064, 300870), (1140, 280812), (1197, 267440), (1260, 254068), (1330, 240696), (1368, 234010), (1520, 210609), (1596, 200580), (1680, 190551), (1710, 187208), (1995, 160464), (2128, 150435), (2280, 140406), (2394, 133720), (2520, 127034), (2660, 120348), (2736, 117005), (3192, 100290), (3343, 95760), (3420, 93604), (3990, 80232), (4560, 70203), (4788, 66860), (5040, 63517), (5320, 60174), (5985, 53488), (6384, 50145), (6686, 47880), (6840, 46802), (7980, 40116), (9576, 33430), (10029, 31920), (10640, 30087), (11970, 26744), (13372, 23940), (13680, 23401), (15960, 20058), (16715, 19152)]