81849210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 204221952

約数和(自身を除く): 122372742

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 67, 86, 129, 134, 201, 215, 258, 335, 402, 430, 645, 670, 947, 1005, 1290, 1894, 2010, 2841, 2881, 4735, 5682, 5762, 8643, 9470, 14205, 14405, 17286, 28410, 28810, 40721, 43215, 63449, 81442, 86430, 122163, 126898, 190347, 203605, 244326, 317245, 380694, 407210, 610815, 634490, 951735, 1221630, 1903470, 2728307, 5456614, 8184921, 13641535, 16369842, 27283070, 40924605, 81849210]

約数ペア:

[(1, 81849210), (2, 40924605), (3, 27283070), (5, 16369842), (6, 13641535), (10, 8184921), (15, 5456614), (30, 2728307), (43, 1903470), (67, 1221630), (86, 951735), (129, 634490), (134, 610815), (201, 407210), (215, 380694), (258, 317245), (335, 244326), (402, 203605), (430, 190347), (645, 126898), (670, 122163), (947, 86430), (1005, 81442), (1290, 63449), (1894, 43215), (2010, 40721), (2841, 28810), (2881, 28410), (4735, 17286), (5682, 14405), (5762, 14205), (8643, 9470)]