203915520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 216

約数和(自身を含む): 729560832

約数和(自身を除く): 525645312

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, 558, 571, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1142, 1152, 1240, 1280, 1395, 1440, 1488, 1713, 1860, 1920, 1984, 2232, 2284, 2304, 2480, 2790, 2855, 2880, 2976, 3426, 3720, 3840, 3968, 4464, 4568, 4960, 5139, 5580, 5710, 5760, 5952, 6852, 7440, 7936, 8565, 8928, 9136, 9920, 10278, 11160, 11420, 11520, 11904, 13704, 14880, 17130, 17701, 17856, 18272, 19840, 20556, 22320, 22840, 23808, 25695, 27408, 29760, 34260, 35402, 35712, 36544, 39680, 41112, 44640, 45680, 51390, 53103, 54816, 59520, 68520, 70804, 71424, 73088, 82224, 88505, 89280, 91360, 102780, 106206, 109632, 119040, 137040, 141608, 146176, 159309, 164448, 177010, 178560, 182720, 205560, 212412, 219264, 265515, 274080, 283216, 318618, 328896, 354020, 357120, 365440, 411120, 424824, 438528, 531030, 548160, 566432, 637236, 657792, 708040, 730880, 796545, 822240, 849648, 1062060, 1096320, 1132864, 1274472, 1315584, 1416080, 1593090, 1644480, 1699296, 2124120, 2192640, 2265728, 2548944, 2832160, 3186180, 3288960, 3398592, 4248240, 4531456, 5097888, 5664320, 6372360, 6577920, 6797184, 8496480, 10195776, 11328640, 12744720, 13594368, 16992960, 20391552, 22657280, 25489440, 33985920, 40783104, 50978880, 67971840, 101957760, 203915520]

約数ペア:

[(1, 203915520), (2, 101957760), (3, 67971840), (4, 50978880), (5, 40783104), (6, 33985920), (8, 25489440), (9, 22657280), (10, 20391552), (12, 16992960), (15, 13594368), (16, 12744720), (18, 11328640), (20, 10195776), (24, 8496480), (30, 6797184), (31, 6577920), (32, 6372360), (36, 5664320), (40, 5097888), (45, 4531456), (48, 4248240), (60, 3398592), (62, 3288960), (64, 3186180), (72, 2832160), (80, 2548944), (90, 2265728), (93, 2192640), (96, 2124120), (120, 1699296), (124, 1644480), (128, 1593090), (144, 1416080), (155, 1315584), (160, 1274472), (180, 1132864), (186, 1096320), (192, 1062060), (240, 849648), (248, 822240), (256, 796545), (279, 730880), (288, 708040), (310, 657792), (320, 637236), (360, 566432), (372, 548160), (384, 531030), (465, 438528), (480, 424824), (496, 411120), (558, 365440), (571, 357120), (576, 354020), (620, 328896), (640, 318618), (720, 283216), (744, 274080), (768, 265515), (930, 219264), (960, 212412), (992, 205560), (1116, 182720), (1142, 178560), (1152, 177010), (1240, 164448), (1280, 159309), (1395, 146176), (1440, 141608), (1488, 137040), (1713, 119040), (1860, 109632), (1920, 106206), (1984, 102780), (2232, 91360), (2284, 89280), (2304, 88505), (2480, 82224), (2790, 73088), (2855, 71424), (2880, 70804), (2976, 68520), (3426, 59520), (3720, 54816), (3840, 53103), (3968, 51390), (4464, 45680), (4568, 44640), (4960, 41112), (5139, 39680), (5580, 36544), (5710, 35712), (5760, 35402), (5952, 34260), (6852, 29760), (7440, 27408), (7936, 25695), (8565, 23808), (8928, 22840), (9136, 22320), (9920, 20556), (10278, 19840), (11160, 18272), (11420, 17856), (11520, 17701), (11904, 17130), (13704, 14880)]