647744340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:769

約数の個数: 96

約数和(自身を含む): 1842736896

約数和(自身を除く): 1194992556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 281, 309, 373, 412, 515, 562, 618, 746, 843, 1030, 1119, 1124, 1236, 1405, 1492, 1545, 1686, 1865, 2060, 2238, 2810, 3090, 3372, 3730, 4215, 4476, 5595, 5620, 6180, 7460, 8430, 11190, 16860, 22380, 28943, 38419, 57886, 76838, 86829, 104813, 115257, 115772, 144715, 153676, 173658, 192095, 209626, 230514, 289430, 314439, 347316, 384190, 419252, 434145, 461028, 524065, 576285, 578860, 628878, 768380, 868290, 1048130, 1152570, 1257756, 1572195, 1736580, 2096260, 2305140, 3144390, 6288780, 10795739, 21591478, 32387217, 43182956, 53978695, 64774434, 107957390, 129548868, 161936085, 215914780, 323872170, 647744340]

約数ペア:

[(1, 647744340), (2, 323872170), (3, 215914780), (4, 161936085), (5, 129548868), (6, 107957390), (10, 64774434), (12, 53978695), (15, 43182956), (20, 32387217), (30, 21591478), (60, 10795739), (103, 6288780), (206, 3144390), (281, 2305140), (309, 2096260), (373, 1736580), (412, 1572195), (515, 1257756), (562, 1152570), (618, 1048130), (746, 868290), (843, 768380), (1030, 628878), (1119, 578860), (1124, 576285), (1236, 524065), (1405, 461028), (1492, 434145), (1545, 419252), (1686, 384190), (1865, 347316), (2060, 314439), (2238, 289430), (2810, 230514), (3090, 209626), (3372, 192095), (3730, 173658), (4215, 153676), (4476, 144715), (5595, 115772), (5620, 115257), (6180, 104813), (7460, 86829), (8430, 76838), (11190, 57886), (16860, 38419), (22380, 28943)]