81478110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:850

約数の個数: 128

約数和(自身を含む): 245099520

約数和(自身を除く): 163621410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 29, 30, 34, 35, 42, 51, 58, 70, 85, 87, 102, 105, 119, 145, 170, 174, 203, 210, 238, 255, 290, 357, 406, 435, 493, 510, 595, 609, 714, 787, 870, 986, 1015, 1190, 1218, 1479, 1574, 1785, 2030, 2361, 2465, 2958, 3045, 3451, 3570, 3935, 4722, 4930, 5509, 6090, 6902, 7395, 7870, 10353, 11018, 11805, 13379, 14790, 16527, 17255, 20706, 22823, 23610, 26758, 27545, 33054, 34510, 40137, 45646, 51765, 55090, 66895, 68469, 80274, 82635, 93653, 103530, 114115, 133790, 136938, 159761, 165270, 187306, 200685, 228230, 280959, 319522, 342345, 387991, 401370, 468265, 479283, 561918, 684690, 775982, 798805, 936530, 958566, 1163973, 1404795, 1597610, 1939955, 2327946, 2396415, 2715937, 2809590, 3879910, 4792830, 5431874, 5819865, 8147811, 11639730, 13579685, 16295622, 27159370, 40739055, 81478110]

約数ペア:

[(1, 81478110), (2, 40739055), (3, 27159370), (5, 16295622), (6, 13579685), (7, 11639730), (10, 8147811), (14, 5819865), (15, 5431874), (17, 4792830), (21, 3879910), (29, 2809590), (30, 2715937), (34, 2396415), (35, 2327946), (42, 1939955), (51, 1597610), (58, 1404795), (70, 1163973), (85, 958566), (87, 936530), (102, 798805), (105, 775982), (119, 684690), (145, 561918), (170, 479283), (174, 468265), (203, 401370), (210, 387991), (238, 342345), (255, 319522), (290, 280959), (357, 228230), (406, 200685), (435, 187306), (493, 165270), (510, 159761), (595, 136938), (609, 133790), (714, 114115), (787, 103530), (870, 93653), (986, 82635), (1015, 80274), (1190, 68469), (1218, 66895), (1479, 55090), (1574, 51765), (1785, 45646), (2030, 40137), (2361, 34510), (2465, 33054), (2958, 27545), (3045, 26758), (3451, 23610), (3570, 22823), (3935, 20706), (4722, 17255), (4930, 16527), (5509, 14790), (6090, 13379), (6902, 11805), (7395, 11018), (7870, 10353)]