2116967680

素因数分解:

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

素因数の和:1804

約数の個数: 108

約数和(自身を含む): 5242694436

約数和(自身を除く): 3125726756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 961, 992, 1240, 1280, 1721, 1922, 1984, 2480, 3442, 3844, 3968, 4805, 4960, 6884, 7688, 7936, 8605, 9610, 9920, 13768, 15376, 17210, 19220, 19840, 27536, 30752, 34420, 38440, 39680, 53351, 55072, 61504, 68840, 76880, 106702, 110144, 123008, 137680, 153760, 213404, 220288, 246016, 266755, 275360, 307520, 426808, 440576, 533510, 550720, 615040, 853616, 1067020, 1101440, 1230080, 1653881, 1707232, 2134040, 2202880, 3307762, 3414464, 4268080, 6615524, 6828928, 8269405, 8536160, 13231048, 13657856, 16538810, 17072320, 26462096, 33077620, 34144640, 52924192, 66155240, 68289280, 105848384, 132310480, 211696768, 264620960, 423393536, 529241920, 1058483840, 2116967680]

約数ペア:

[(1, 2116967680), (2, 1058483840), (4, 529241920), (5, 423393536), (8, 264620960), (10, 211696768), (16, 132310480), (20, 105848384), (31, 68289280), (32, 66155240), (40, 52924192), (62, 34144640), (64, 33077620), (80, 26462096), (124, 17072320), (128, 16538810), (155, 13657856), (160, 13231048), (248, 8536160), (256, 8269405), (310, 6828928), (320, 6615524), (496, 4268080), (620, 3414464), (640, 3307762), (961, 2202880), (992, 2134040), (1240, 1707232), (1280, 1653881), (1721, 1230080), (1922, 1101440), (1984, 1067020), (2480, 853616), (3442, 615040), (3844, 550720), (3968, 533510), (4805, 440576), (4960, 426808), (6884, 307520), (7688, 275360), (7936, 266755), (8605, 246016), (9610, 220288), (9920, 213404), (13768, 153760), (15376, 137680), (17210, 123008), (19220, 110144), (19840, 106702), (27536, 76880), (30752, 68840), (34420, 61504), (38440, 55072), (39680, 53351)]