81018090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 241056000

約数和(自身を除く): 160037910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 85, 90, 95, 102, 114, 135, 153, 170, 171, 190, 255, 270, 285, 306, 323, 342, 459, 510, 513, 570, 646, 765, 855, 918, 929, 969, 1026, 1530, 1615, 1710, 1858, 1938, 2295, 2565, 2787, 2907, 3230, 4590, 4645, 4845, 5130, 5574, 5814, 8361, 8721, 9290, 9690, 13935, 14535, 15793, 16722, 17442, 17651, 25083, 27870, 29070, 31586, 35302, 41805, 43605, 47379, 50166, 52953, 78965, 83610, 87210, 88255, 94758, 105906, 125415, 142137, 157930, 158859, 176510, 236895, 250830, 264765, 284274, 300067, 317718, 426411, 473790, 476577, 529530, 600134, 710685, 794295, 852822, 900201, 953154, 1421370, 1500335, 1588590, 1800402, 2132055, 2382885, 2700603, 3000670, 4264110, 4501005, 4765770, 5401206, 8101809, 9002010, 13503015, 16203618, 27006030, 40509045, 81018090]

約数ペア:

[(1, 81018090), (2, 40509045), (3, 27006030), (5, 16203618), (6, 13503015), (9, 9002010), (10, 8101809), (15, 5401206), (17, 4765770), (18, 4501005), (19, 4264110), (27, 3000670), (30, 2700603), (34, 2382885), (38, 2132055), (45, 1800402), (51, 1588590), (54, 1500335), (57, 1421370), (85, 953154), (90, 900201), (95, 852822), (102, 794295), (114, 710685), (135, 600134), (153, 529530), (170, 476577), (171, 473790), (190, 426411), (255, 317718), (270, 300067), (285, 284274), (306, 264765), (323, 250830), (342, 236895), (459, 176510), (510, 158859), (513, 157930), (570, 142137), (646, 125415), (765, 105906), (855, 94758), (918, 88255), (929, 87210), (969, 83610), (1026, 78965), (1530, 52953), (1615, 50166), (1710, 47379), (1858, 43605), (1938, 41805), (2295, 35302), (2565, 31586), (2787, 29070), (2907, 27870), (3230, 25083), (4590, 17651), (4645, 17442), (4845, 16722), (5130, 15793), (5574, 14535), (5814, 13935), (8361, 9690), (8721, 9290)]