81674160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17911}}^1$

素因数の和:17946

約数の個数: 80

約数和(自身を含む): 266530560

約数和(自身を除く): 184856400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 17911, 35822, 53733, 71644, 89555, 107466, 143288, 179110, 214932, 268665, 286576, 340309, 358220, 429864, 537330, 680618, 716440, 859728, 1020927, 1074660, 1361236, 1432880, 1701545, 2041854, 2149320, 2722472, 3403090, 4083708, 4298640, 5104635, 5444944, 6806180, 8167416, 10209270, 13612360, 16334832, 20418540, 27224720, 40837080, 81674160]

約数ペア:

[(1, 81674160), (2, 40837080), (3, 27224720), (4, 20418540), (5, 16334832), (6, 13612360), (8, 10209270), (10, 8167416), (12, 6806180), (15, 5444944), (16, 5104635), (19, 4298640), (20, 4083708), (24, 3403090), (30, 2722472), (38, 2149320), (40, 2041854), (48, 1701545), (57, 1432880), (60, 1361236), (76, 1074660), (80, 1020927), (95, 859728), (114, 716440), (120, 680618), (152, 537330), (190, 429864), (228, 358220), (240, 340309), (285, 286576), (304, 268665), (380, 214932), (456, 179110), (570, 143288), (760, 107466), (912, 89555), (1140, 71644), (1520, 53733), (2280, 35822), (4560, 17911)]