721031460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{9907}}^1$

素因数の和:11132

約数の個数: 48

約数和(自身を含む): 2020756416

約数和(自身を除く): 1299724956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1213, 2426, 3639, 4852, 6065, 7278, 9907, 12130, 14556, 18195, 19814, 24260, 29721, 36390, 39628, 49535, 59442, 72780, 99070, 118884, 148605, 198140, 297210, 594420, 12017191, 24034382, 36051573, 48068764, 60085955, 72103146, 120171910, 144206292, 180257865, 240343820, 360515730, 721031460]

約数ペア:

[(1, 721031460), (2, 360515730), (3, 240343820), (4, 180257865), (5, 144206292), (6, 120171910), (10, 72103146), (12, 60085955), (15, 48068764), (20, 36051573), (30, 24034382), (60, 12017191), (1213, 594420), (2426, 297210), (3639, 198140), (4852, 148605), (6065, 118884), (7278, 99070), (9907, 72780), (12130, 59442), (14556, 49535), (18195, 39628), (19814, 36390), (24260, 29721)]