81454560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15427}}^1$

素因数の和:15456

約数の個数: 96

約数和(自身を含む): 279925632

約数和(自身を除く): 198471072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 15427, 30854, 46281, 61708, 77135, 92562, 123416, 154270, 169697, 185124, 231405, 246832, 308540, 339394, 370248, 462810, 493664, 509091, 617080, 678788, 740496, 848485, 925620, 1018182, 1234160, 1357576, 1480992, 1696970, 1851240, 2036364, 2468320, 2545455, 2715152, 3393940, 3702480, 4072728, 5090910, 5430304, 6787880, 7404960, 8145456, 10181820, 13575760, 16290912, 20363640, 27151520, 40727280, 81454560]

約数ペア:

[(1, 81454560), (2, 40727280), (3, 27151520), (4, 20363640), (5, 16290912), (6, 13575760), (8, 10181820), (10, 8145456), (11, 7404960), (12, 6787880), (15, 5430304), (16, 5090910), (20, 4072728), (22, 3702480), (24, 3393940), (30, 2715152), (32, 2545455), (33, 2468320), (40, 2036364), (44, 1851240), (48, 1696970), (55, 1480992), (60, 1357576), (66, 1234160), (80, 1018182), (88, 925620), (96, 848485), (110, 740496), (120, 678788), (132, 617080), (160, 509091), (165, 493664), (176, 462810), (220, 370248), (240, 339394), (264, 308540), (330, 246832), (352, 231405), (440, 185124), (480, 169697), (528, 154270), (660, 123416), (880, 92562), (1056, 77135), (1320, 61708), (1760, 46281), (2640, 30854), (5280, 15427)]