204867840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 144

約数和(自身を含む): 675795456

約数和(自身を除く): 470927616

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, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1721, 1860, 1920, 1984, 2480, 2976, 3442, 3720, 3840, 3968, 4960, 5163, 5952, 6884, 7440, 7936, 8605, 9920, 10326, 11904, 13768, 14880, 17210, 19840, 20652, 23808, 25815, 27536, 29760, 34420, 39680, 41304, 51630, 53351, 55072, 59520, 68840, 82608, 103260, 106702, 110144, 119040, 137680, 160053, 165216, 206520, 213404, 220288, 266755, 275360, 320106, 330432, 413040, 426808, 440576, 533510, 550720, 640212, 660864, 800265, 826080, 853616, 1067020, 1101440, 1280424, 1321728, 1600530, 1652160, 1707232, 2134040, 2202880, 2560848, 3201060, 3304320, 3414464, 4268080, 5121696, 6402120, 6608640, 6828928, 8536160, 10243392, 12804240, 13657856, 17072320, 20486784, 25608480, 34144640, 40973568, 51216960, 68289280, 102433920, 204867840]

約数ペア:

[(1, 204867840), (2, 102433920), (3, 68289280), (4, 51216960), (5, 40973568), (6, 34144640), (8, 25608480), (10, 20486784), (12, 17072320), (15, 13657856), (16, 12804240), (20, 10243392), (24, 8536160), (30, 6828928), (31, 6608640), (32, 6402120), (40, 5121696), (48, 4268080), (60, 3414464), (62, 3304320), (64, 3201060), (80, 2560848), (93, 2202880), (96, 2134040), (120, 1707232), (124, 1652160), (128, 1600530), (155, 1321728), (160, 1280424), (186, 1101440), (192, 1067020), (240, 853616), (248, 826080), (256, 800265), (310, 660864), (320, 640212), (372, 550720), (384, 533510), (465, 440576), (480, 426808), (496, 413040), (620, 330432), (640, 320106), (744, 275360), (768, 266755), (930, 220288), (960, 213404), (992, 206520), (1240, 165216), (1280, 160053), (1488, 137680), (1721, 119040), (1860, 110144), (1920, 106702), (1984, 103260), (2480, 82608), (2976, 68840), (3442, 59520), (3720, 55072), (3840, 53351), (3968, 51630), (4960, 41304), (5163, 39680), (5952, 34420), (6884, 29760), (7440, 27536), (7936, 25815), (8605, 23808), (9920, 20652), (10326, 19840), (11904, 17210), (13768, 14880)]