811688360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 2209075200

約数和(自身を除く): 1397386840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 271, 280, 380, 532, 542, 563, 665, 760, 1064, 1084, 1126, 1330, 1355, 1897, 2168, 2252, 2660, 2710, 2815, 3794, 3941, 4504, 5149, 5320, 5420, 5630, 7588, 7882, 9485, 10298, 10697, 10840, 11260, 15176, 15764, 18970, 19705, 20596, 21394, 22520, 25745, 31528, 36043, 37940, 39410, 41192, 42788, 51490, 53485, 72086, 74879, 75880, 78820, 85576, 102980, 106970, 144172, 149758, 152573, 157640, 180215, 205960, 213940, 288344, 299516, 305146, 360430, 374395, 427880, 599032, 610292, 720860, 748790, 762865, 1068011, 1220584, 1441720, 1497580, 1525730, 2136022, 2898887, 2995160, 3051460, 4272044, 5340055, 5797774, 6102920, 8544088, 10680110, 11595548, 14494435, 20292209, 21360220, 23191096, 28988870, 40584418, 42720440, 57977740, 81168836, 101461045, 115955480, 162337672, 202922090, 405844180, 811688360]

約数ペア:

[(1, 811688360), (2, 405844180), (4, 202922090), (5, 162337672), (7, 115955480), (8, 101461045), (10, 81168836), (14, 57977740), (19, 42720440), (20, 40584418), (28, 28988870), (35, 23191096), (38, 21360220), (40, 20292209), (56, 14494435), (70, 11595548), (76, 10680110), (95, 8544088), (133, 6102920), (140, 5797774), (152, 5340055), (190, 4272044), (266, 3051460), (271, 2995160), (280, 2898887), (380, 2136022), (532, 1525730), (542, 1497580), (563, 1441720), (665, 1220584), (760, 1068011), (1064, 762865), (1084, 748790), (1126, 720860), (1330, 610292), (1355, 599032), (1897, 427880), (2168, 374395), (2252, 360430), (2660, 305146), (2710, 299516), (2815, 288344), (3794, 213940), (3941, 205960), (4504, 180215), (5149, 157640), (5320, 152573), (5420, 149758), (5630, 144172), (7588, 106970), (7882, 102980), (9485, 85576), (10298, 78820), (10697, 75880), (10840, 74879), (11260, 72086), (15176, 53485), (15764, 51490), (18970, 42788), (19705, 41192), (20596, 39410), (21394, 37940), (22520, 36043), (25745, 31528)]