164257280

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 160

約数和(自身を含む): 453720960

約数和(自身を除く): 289463680

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, 512, 608, 614, 640, 704, 760, 836, 880, 1045, 1216, 1228, 1280, 1408, 1520, 1535, 1672, 1760, 2090, 2432, 2456, 2560, 2816, 3040, 3070, 3344, 3377, 3520, 4180, 4864, 4912, 5632, 5833, 6080, 6140, 6688, 6754, 7040, 8360, 9728, 9824, 11666, 12160, 12280, 13376, 13508, 14080, 16720, 16885, 19648, 23332, 24320, 24560, 26752, 27016, 28160, 29165, 33440, 33770, 39296, 46664, 48640, 49120, 53504, 54032, 58330, 64163, 66880, 67540, 78592, 93328, 98240, 107008, 108064, 116660, 128326, 133760, 135080, 157184, 186656, 196480, 216128, 233320, 256652, 267520, 270160, 320815, 373312, 392960, 432256, 466640, 513304, 535040, 540320, 641630, 746624, 785920, 864512, 933280, 1026608, 1080640, 1283260, 1493248, 1729024, 1866560, 2053216, 2161280, 2566520, 2986496, 3733120, 4106432, 4322560, 5133040, 7466240, 8212864, 8645120, 10266080, 14932480, 16425728, 20532160, 32851456, 41064320, 82128640, 164257280]

約数ペア:

[(1, 164257280), (2, 82128640), (4, 41064320), (5, 32851456), (8, 20532160), (10, 16425728), (11, 14932480), (16, 10266080), (19, 8645120), (20, 8212864), (22, 7466240), (32, 5133040), (38, 4322560), (40, 4106432), (44, 3733120), (55, 2986496), (64, 2566520), (76, 2161280), (80, 2053216), (88, 1866560), (95, 1729024), (110, 1493248), (128, 1283260), (152, 1080640), (160, 1026608), (176, 933280), (190, 864512), (209, 785920), (220, 746624), (256, 641630), (304, 540320), (307, 535040), (320, 513304), (352, 466640), (380, 432256), (418, 392960), (440, 373312), (512, 320815), (608, 270160), (614, 267520), (640, 256652), (704, 233320), (760, 216128), (836, 196480), (880, 186656), (1045, 157184), (1216, 135080), (1228, 133760), (1280, 128326), (1408, 116660), (1520, 108064), (1535, 107008), (1672, 98240), (1760, 93328), (2090, 78592), (2432, 67540), (2456, 66880), (2560, 64163), (2816, 58330), (3040, 54032), (3070, 53504), (3344, 49120), (3377, 48640), (3520, 46664), (4180, 39296), (4864, 33770), (4912, 33440), (5632, 29165), (5833, 28160), (6080, 27016), (6140, 26752), (6688, 24560), (6754, 24320), (7040, 23332), (8360, 19648), (9728, 16885), (9824, 16720), (11666, 14080), (12160, 13508), (12280, 13376)]