820771920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13103}}^1$

素因数の和:13154

約数の個数: 160

約数和(自身を含む): 2924812800

約数和(自身を除く): 2104040880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4176, 5220, 6264, 6960, 7830, 10440, 12528, 13103, 15660, 20880, 26206, 31320, 39309, 52412, 62640, 65515, 78618, 104824, 117927, 131030, 157236, 196545, 209648, 235854, 262060, 314472, 353781, 379987, 393090, 471708, 524120, 589635, 628944, 707562, 759974, 786180, 943416, 1048240, 1139961, 1179270, 1415124, 1519948, 1572360, 1768905, 1886832, 1899935, 2279922, 2358540, 2830248, 3039896, 3144720, 3419883, 3537810, 3799870, 4559844, 4717080, 5660496, 5699805, 6079792, 6839766, 7075620, 7599740, 9119688, 9434160, 10259649, 11399610, 13679532, 14151240, 15199480, 17099415, 18239376, 20519298, 22799220, 27359064, 28302480, 30398960, 34198830, 41038596, 45598440, 51298245, 54718128, 68397660, 82077192, 91196880, 102596490, 136795320, 164154384, 205192980, 273590640, 410385960, 820771920]

約数ペア:

[(1, 820771920), (2, 410385960), (3, 273590640), (4, 205192980), (5, 164154384), (6, 136795320), (8, 102596490), (9, 91196880), (10, 82077192), (12, 68397660), (15, 54718128), (16, 51298245), (18, 45598440), (20, 41038596), (24, 34198830), (27, 30398960), (29, 28302480), (30, 27359064), (36, 22799220), (40, 20519298), (45, 18239376), (48, 17099415), (54, 15199480), (58, 14151240), (60, 13679532), (72, 11399610), (80, 10259649), (87, 9434160), (90, 9119688), (108, 7599740), (116, 7075620), (120, 6839766), (135, 6079792), (144, 5699805), (145, 5660496), (174, 4717080), (180, 4559844), (216, 3799870), (232, 3537810), (240, 3419883), (261, 3144720), (270, 3039896), (290, 2830248), (348, 2358540), (360, 2279922), (432, 1899935), (435, 1886832), (464, 1768905), (522, 1572360), (540, 1519948), (580, 1415124), (696, 1179270), (720, 1139961), (783, 1048240), (870, 943416), (1044, 786180), (1080, 759974), (1160, 707562), (1305, 628944), (1392, 589635), (1566, 524120), (1740, 471708), (2088, 393090), (2160, 379987), (2320, 353781), (2610, 314472), (3132, 262060), (3480, 235854), (3915, 209648), (4176, 196545), (5220, 157236), (6264, 131030), (6960, 117927), (7830, 104824), (10440, 78618), (12528, 65515), (13103, 62640), (15660, 52412), (20880, 39309), (26206, 31320)]