66574670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 66135730

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 89, 95, 127, 155, 178, 190, 254, 310, 445, 589, 635, 890, 1178, 1270, 1691, 2413, 2759, 2945, 3382, 3937, 4826, 5518, 5890, 7874, 8455, 11303, 12065, 13795, 16910, 19685, 22606, 24130, 27590, 39370, 52421, 56515, 74803, 104842, 113030, 149606, 214757, 262105, 350393, 374015, 429514, 524210, 700786, 748030, 1073785, 1751965, 2147570, 3503930, 6657467, 13314934, 33287335, 66574670]

約数ペア:

[(1, 66574670), (2, 33287335), (5, 13314934), (10, 6657467), (19, 3503930), (31, 2147570), (38, 1751965), (62, 1073785), (89, 748030), (95, 700786), (127, 524210), (155, 429514), (178, 374015), (190, 350393), (254, 262105), (310, 214757), (445, 149606), (589, 113030), (635, 104842), (890, 74803), (1178, 56515), (1270, 52421), (1691, 39370), (2413, 27590), (2759, 24130), (2945, 22606), (3382, 19685), (3937, 16910), (4826, 13795), (5518, 12065), (5890, 11303), (7874, 8455)]