21800760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 65923200

約数和(自身を除く): 44122440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1307, 1390, 1668, 2085, 2614, 2780, 3336, 3921, 4170, 5228, 5560, 6535, 7842, 8340, 10456, 13070, 15684, 16680, 19605, 26140, 31368, 39210, 52280, 78420, 156840, 181673, 363346, 545019, 726692, 908365, 1090038, 1453384, 1816730, 2180076, 2725095, 3633460, 4360152, 5450190, 7266920, 10900380, 21800760]

約数ペア:

[(1, 21800760), (2, 10900380), (3, 7266920), (4, 5450190), (5, 4360152), (6, 3633460), (8, 2725095), (10, 2180076), (12, 1816730), (15, 1453384), (20, 1090038), (24, 908365), (30, 726692), (40, 545019), (60, 363346), (120, 181673), (139, 156840), (278, 78420), (417, 52280), (556, 39210), (695, 31368), (834, 26140), (1112, 19605), (1307, 16680), (1390, 15684), (1668, 13070), (2085, 10456), (2614, 8340), (2780, 7842), (3336, 6535), (3921, 5560), (4170, 5228)]