80656560

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{461}}^1$

素因数の和:495

約数の個数: 160

約数和(自身を含む): 281856960

約数和(自身を除く): 201200400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 461, 486, 540, 648, 720, 729, 810, 922, 972, 1080, 1215, 1296, 1383, 1458, 1620, 1844, 1944, 2160, 2187, 2305, 2430, 2766, 2916, 3240, 3645, 3688, 3888, 4149, 4374, 4610, 4860, 5532, 5832, 6480, 6915, 7290, 7376, 8298, 8748, 9220, 9720, 10935, 11064, 11664, 12447, 13830, 14580, 16596, 17496, 18440, 19440, 20745, 21870, 22128, 24894, 27660, 29160, 33192, 34992, 36880, 37341, 41490, 43740, 49788, 55320, 58320, 62235, 66384, 74682, 82980, 87480, 99576, 110640, 112023, 124470, 149364, 165960, 174960, 186705, 199152, 224046, 248940, 298728, 331920, 336069, 373410, 448092, 497880, 560115, 597456, 672138, 746820, 896184, 995760, 1008207, 1120230, 1344276, 1493640, 1680345, 1792368, 2016414, 2240460, 2688552, 2987280, 3360690, 4032828, 4480920, 5041035, 5377104, 6721380, 8065656, 8961840, 10082070, 13442760, 16131312, 20164140, 26885520, 40328280, 80656560]

約数ペア:

[(1, 80656560), (2, 40328280), (3, 26885520), (4, 20164140), (5, 16131312), (6, 13442760), (8, 10082070), (9, 8961840), (10, 8065656), (12, 6721380), (15, 5377104), (16, 5041035), (18, 4480920), (20, 4032828), (24, 3360690), (27, 2987280), (30, 2688552), (36, 2240460), (40, 2016414), (45, 1792368), (48, 1680345), (54, 1493640), (60, 1344276), (72, 1120230), (80, 1008207), (81, 995760), (90, 896184), (108, 746820), (120, 672138), (135, 597456), (144, 560115), (162, 497880), (180, 448092), (216, 373410), (240, 336069), (243, 331920), (270, 298728), (324, 248940), (360, 224046), (405, 199152), (432, 186705), (461, 174960), (486, 165960), (540, 149364), (648, 124470), (720, 112023), (729, 110640), (810, 99576), (922, 87480), (972, 82980), (1080, 74682), (1215, 66384), (1296, 62235), (1383, 58320), (1458, 55320), (1620, 49788), (1844, 43740), (1944, 41490), (2160, 37341), (2187, 36880), (2305, 34992), (2430, 33192), (2766, 29160), (2916, 27660), (3240, 24894), (3645, 22128), (3688, 21870), (3888, 20745), (4149, 19440), (4374, 18440), (4610, 17496), (4860, 16596), (5532, 14580), (5832, 13830), (6480, 12447), (6915, 11664), (7290, 11064), (7376, 10935), (8298, 9720), (8748, 9220)]