814651320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7079}}^1$

素因数の和:7237

約数の個数: 128

約数和(自身を含む): 2813875200

約数和(自身を除く): 1999223880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 274, 280, 411, 420, 548, 685, 822, 840, 959, 1096, 1370, 1644, 1918, 2055, 2740, 2877, 3288, 3836, 4110, 4795, 5480, 5754, 7079, 7672, 8220, 9590, 11508, 14158, 14385, 16440, 19180, 21237, 23016, 28316, 28770, 35395, 38360, 42474, 49553, 56632, 57540, 70790, 84948, 99106, 106185, 115080, 141580, 148659, 169896, 198212, 212370, 247765, 283160, 297318, 396424, 424740, 495530, 594636, 743295, 849480, 969823, 991060, 1189272, 1486590, 1939646, 1982120, 2909469, 2973180, 3879292, 4849115, 5818938, 5946360, 6788761, 7758584, 9698230, 11637876, 13577522, 14547345, 19396460, 20366283, 23275752, 27155044, 29094690, 33943805, 38792920, 40732566, 54310088, 58189380, 67887610, 81465132, 101831415, 116378760, 135775220, 162930264, 203662830, 271550440, 407325660, 814651320]

約数ペア:

[(1, 814651320), (2, 407325660), (3, 271550440), (4, 203662830), (5, 162930264), (6, 135775220), (7, 116378760), (8, 101831415), (10, 81465132), (12, 67887610), (14, 58189380), (15, 54310088), (20, 40732566), (21, 38792920), (24, 33943805), (28, 29094690), (30, 27155044), (35, 23275752), (40, 20366283), (42, 19396460), (56, 14547345), (60, 13577522), (70, 11637876), (84, 9698230), (105, 7758584), (120, 6788761), (137, 5946360), (140, 5818938), (168, 4849115), (210, 3879292), (274, 2973180), (280, 2909469), (411, 1982120), (420, 1939646), (548, 1486590), (685, 1189272), (822, 991060), (840, 969823), (959, 849480), (1096, 743295), (1370, 594636), (1644, 495530), (1918, 424740), (2055, 396424), (2740, 297318), (2877, 283160), (3288, 247765), (3836, 212370), (4110, 198212), (4795, 169896), (5480, 148659), (5754, 141580), (7079, 115080), (7672, 106185), (8220, 99106), (9590, 84948), (11508, 70790), (14158, 57540), (14385, 56632), (16440, 49553), (19180, 42474), (21237, 38360), (23016, 35395), (28316, 28770)]