81399150

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{25841}}^1$

素因数の和:25866

約数の個数: 72

約数和(自身を含む): 249943824

約数和(自身を除く): 168544674

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 25841, 51682, 77523, 129205, 155046, 180887, 232569, 258410, 361774, 387615, 465138, 542661, 646025, 775230, 904435, 1085322, 1162845, 1292050, 1627983, 1808870, 1938075, 2325690, 2713305, 3255966, 3876150, 4522175, 5426610, 5814225, 8139915, 9044350, 11628450, 13566525, 16279830, 27133050, 40699575, 81399150]

約数ペア:

[(1, 81399150), (2, 40699575), (3, 27133050), (5, 16279830), (6, 13566525), (7, 11628450), (9, 9044350), (10, 8139915), (14, 5814225), (15, 5426610), (18, 4522175), (21, 3876150), (25, 3255966), (30, 2713305), (35, 2325690), (42, 1938075), (45, 1808870), (50, 1627983), (63, 1292050), (70, 1162845), (75, 1085322), (90, 904435), (105, 775230), (126, 646025), (150, 542661), (175, 465138), (210, 387615), (225, 361774), (315, 258410), (350, 232569), (450, 180887), (525, 155046), (630, 129205), (1050, 77523), (1575, 51682), (3150, 25841)]