81676440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11941}}^1$

素因数の和:11977

約数の個数: 96

約数和(自身を含む): 279442800

約数和(自身を除く): 197766360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 11941, 23882, 35823, 47764, 59705, 71646, 95528, 107469, 119410, 143292, 179115, 214938, 226879, 238820, 286584, 358230, 429876, 453758, 477640, 537345, 680637, 716460, 859752, 907516, 1074690, 1134395, 1361274, 1432920, 1815032, 2041911, 2149380, 2268790, 2722548, 3403185, 4083822, 4298760, 4537580, 5445096, 6806370, 8167644, 9075160, 10209555, 13612740, 16335288, 20419110, 27225480, 40838220, 81676440]

約数ペア:

[(1, 81676440), (2, 40838220), (3, 27225480), (4, 20419110), (5, 16335288), (6, 13612740), (8, 10209555), (9, 9075160), (10, 8167644), (12, 6806370), (15, 5445096), (18, 4537580), (19, 4298760), (20, 4083822), (24, 3403185), (30, 2722548), (36, 2268790), (38, 2149380), (40, 2041911), (45, 1815032), (57, 1432920), (60, 1361274), (72, 1134395), (76, 1074690), (90, 907516), (95, 859752), (114, 716460), (120, 680637), (152, 537345), (171, 477640), (180, 453758), (190, 429876), (228, 358230), (285, 286584), (342, 238820), (360, 226879), (380, 214938), (456, 179115), (570, 143292), (684, 119410), (760, 107469), (855, 95528), (1140, 71646), (1368, 59705), (1710, 47764), (2280, 35823), (3420, 23882), (6840, 11941)]