82128640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 226638720

約数和(自身を除く): 144510080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 307, 320, 352, 380, 418, 440, 608, 614, 640, 704, 760, 836, 880, 1045, 1216, 1228, 1280, 1408, 1520, 1535, 1672, 1760, 2090, 2432, 2456, 2816, 3040, 3070, 3344, 3377, 3520, 4180, 4864, 4912, 5833, 6080, 6140, 6688, 6754, 7040, 8360, 9824, 11666, 12160, 12280, 13376, 13508, 14080, 16720, 16885, 19648, 23332, 24320, 24560, 26752, 27016, 29165, 33440, 33770, 39296, 46664, 49120, 53504, 54032, 58330, 64163, 66880, 67540, 78592, 93328, 98240, 108064, 116660, 128326, 133760, 135080, 186656, 196480, 216128, 233320, 256652, 267520, 270160, 320815, 373312, 392960, 432256, 466640, 513304, 540320, 641630, 746624, 864512, 933280, 1026608, 1080640, 1283260, 1493248, 1866560, 2053216, 2161280, 2566520, 3733120, 4106432, 4322560, 5133040, 7466240, 8212864, 10266080, 16425728, 20532160, 41064320, 82128640]

約数ペア:

[(1, 82128640), (2, 41064320), (4, 20532160), (5, 16425728), (8, 10266080), (10, 8212864), (11, 7466240), (16, 5133040), (19, 4322560), (20, 4106432), (22, 3733120), (32, 2566520), (38, 2161280), (40, 2053216), (44, 1866560), (55, 1493248), (64, 1283260), (76, 1080640), (80, 1026608), (88, 933280), (95, 864512), (110, 746624), (128, 641630), (152, 540320), (160, 513304), (176, 466640), (190, 432256), (209, 392960), (220, 373312), (256, 320815), (304, 270160), (307, 267520), (320, 256652), (352, 233320), (380, 216128), (418, 196480), (440, 186656), (608, 135080), (614, 133760), (640, 128326), (704, 116660), (760, 108064), (836, 98240), (880, 93328), (1045, 78592), (1216, 67540), (1228, 66880), (1280, 64163), (1408, 58330), (1520, 54032), (1535, 53504), (1672, 49120), (1760, 46664), (2090, 39296), (2432, 33770), (2456, 33440), (2816, 29165), (3040, 27016), (3070, 26752), (3344, 24560), (3377, 24320), (3520, 23332), (4180, 19648), (4864, 16885), (4912, 16720), (5833, 14080), (6080, 13508), (6140, 13376), (6688, 12280), (6754, 12160), (7040, 11666), (8360, 9824)]