72865870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 164768256

約数和(自身を除く): 91902386

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 173, 346, 385, 547, 770, 865, 1094, 1211, 1730, 1903, 2422, 2735, 3806, 3829, 5470, 6017, 6055, 7658, 9515, 12034, 12110, 13321, 19030, 19145, 26642, 30085, 38290, 42119, 60170, 66605, 84238, 94631, 133210, 189262, 210595, 421190, 473155, 662417, 946310, 1040941, 1324834, 2081882, 3312085, 5204705, 6624170, 7286587, 10409410, 14573174, 36432935, 72865870]

約数ペア:

[(1, 72865870), (2, 36432935), (5, 14573174), (7, 10409410), (10, 7286587), (11, 6624170), (14, 5204705), (22, 3312085), (35, 2081882), (55, 1324834), (70, 1040941), (77, 946310), (110, 662417), (154, 473155), (173, 421190), (346, 210595), (385, 189262), (547, 133210), (770, 94631), (865, 84238), (1094, 66605), (1211, 60170), (1730, 42119), (1903, 38290), (2422, 30085), (2735, 26642), (3806, 19145), (3829, 19030), (5470, 13321), (6017, 12110), (6055, 12034), (7658, 9515)]