820656240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 2615457600

約数和(自身を除く): 1794801360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 149, 159, 212, 240, 265, 298, 318, 424, 433, 447, 530, 596, 636, 745, 795, 848, 866, 894, 1060, 1192, 1272, 1299, 1490, 1590, 1732, 1788, 2120, 2165, 2235, 2384, 2544, 2598, 2980, 3180, 3464, 3576, 4240, 4330, 4470, 5196, 5960, 6360, 6495, 6928, 7152, 7897, 8660, 8940, 10392, 11920, 12720, 12990, 15794, 17320, 17880, 20784, 22949, 23691, 25980, 31588, 34640, 35760, 39485, 45898, 47382, 51960, 63176, 64517, 68847, 78970, 91796, 94764, 103920, 114745, 118455, 126352, 129034, 137694, 157940, 183592, 189528, 193551, 229490, 236910, 258068, 275388, 315880, 322585, 344235, 367184, 379056, 387102, 458980, 473820, 516136, 550776, 631760, 645170, 688470, 774204, 917960, 947640, 967755, 1032272, 1101552, 1290340, 1376940, 1548408, 1835920, 1895280, 1935510, 2580680, 2753880, 3096816, 3419401, 3871020, 5161360, 5507760, 6838802, 7742040, 10258203, 13677604, 15484080, 17097005, 20516406, 27355208, 34194010, 41032812, 51291015, 54710416, 68388020, 82065624, 102582030, 136776040, 164131248, 205164060, 273552080, 410328120, 820656240]

約数ペア:

[(1, 820656240), (2, 410328120), (3, 273552080), (4, 205164060), (5, 164131248), (6, 136776040), (8, 102582030), (10, 82065624), (12, 68388020), (15, 54710416), (16, 51291015), (20, 41032812), (24, 34194010), (30, 27355208), (40, 20516406), (48, 17097005), (53, 15484080), (60, 13677604), (80, 10258203), (106, 7742040), (120, 6838802), (149, 5507760), (159, 5161360), (212, 3871020), (240, 3419401), (265, 3096816), (298, 2753880), (318, 2580680), (424, 1935510), (433, 1895280), (447, 1835920), (530, 1548408), (596, 1376940), (636, 1290340), (745, 1101552), (795, 1032272), (848, 967755), (866, 947640), (894, 917960), (1060, 774204), (1192, 688470), (1272, 645170), (1299, 631760), (1490, 550776), (1590, 516136), (1732, 473820), (1788, 458980), (2120, 387102), (2165, 379056), (2235, 367184), (2384, 344235), (2544, 322585), (2598, 315880), (2980, 275388), (3180, 258068), (3464, 236910), (3576, 229490), (4240, 193551), (4330, 189528), (4470, 183592), (5196, 157940), (5960, 137694), (6360, 129034), (6495, 126352), (6928, 118455), (7152, 114745), (7897, 103920), (8660, 94764), (8940, 91796), (10392, 78970), (11920, 68847), (12720, 64517), (12990, 63176), (15794, 51960), (17320, 47382), (17880, 45898), (20784, 39485), (22949, 35760), (23691, 34640), (25980, 31588)]