12138870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 18343050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 71, 82, 123, 139, 142, 205, 213, 246, 278, 355, 410, 417, 426, 615, 695, 710, 834, 1065, 1230, 1390, 2085, 2130, 2911, 4170, 5699, 5822, 8733, 9869, 11398, 14555, 17097, 17466, 19738, 28495, 29110, 29607, 34194, 43665, 49345, 56990, 59214, 85485, 87330, 98690, 148035, 170970, 296070, 404629, 809258, 1213887, 2023145, 2427774, 4046290, 6069435, 12138870]

約数ペア:

[(1, 12138870), (2, 6069435), (3, 4046290), (5, 2427774), (6, 2023145), (10, 1213887), (15, 809258), (30, 404629), (41, 296070), (71, 170970), (82, 148035), (123, 98690), (139, 87330), (142, 85485), (205, 59214), (213, 56990), (246, 49345), (278, 43665), (355, 34194), (410, 29607), (417, 29110), (426, 28495), (615, 19738), (695, 17466), (710, 17097), (834, 14555), (1065, 11398), (1230, 9869), (1390, 8733), (2085, 5822), (2130, 5699), (2911, 4170)]