81342870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2239}}^1$

素因数の和:2429

約数の個数: 64

約数和(自身を含む): 224501760

約数和(自身を除く): 143158890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 519, 865, 1038, 1211, 1730, 2239, 2422, 2595, 3633, 4478, 5190, 6055, 6717, 7266, 11195, 12110, 13434, 15673, 18165, 22390, 31346, 33585, 36330, 47019, 67170, 78365, 94038, 156730, 235095, 387347, 470190, 774694, 1162041, 1936735, 2324082, 2711429, 3873470, 5422858, 5810205, 8134287, 11620410, 13557145, 16268574, 27114290, 40671435, 81342870]

約数ペア:

[(1, 81342870), (2, 40671435), (3, 27114290), (5, 16268574), (6, 13557145), (7, 11620410), (10, 8134287), (14, 5810205), (15, 5422858), (21, 3873470), (30, 2711429), (35, 2324082), (42, 1936735), (70, 1162041), (105, 774694), (173, 470190), (210, 387347), (346, 235095), (519, 156730), (865, 94038), (1038, 78365), (1211, 67170), (1730, 47019), (2239, 36330), (2422, 33585), (2595, 31346), (3633, 22390), (4478, 18165), (5190, 15673), (6055, 13434), (6717, 12110), (7266, 11195)]