255996840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193937}}^1$

素因数の和:193962

約数の個数: 64

約数和(自身を含む): 837812160

約数和(自身を除く): 581815320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 193937, 387874, 581811, 775748, 969685, 1163622, 1551496, 1939370, 2133307, 2327244, 2909055, 3878740, 4266614, 4654488, 5818110, 6399921, 7757480, 8533228, 10666535, 11636220, 12799842, 17066456, 21333070, 23272440, 25599684, 31999605, 42666140, 51199368, 63999210, 85332280, 127998420, 255996840]

約数ペア:

[(1, 255996840), (2, 127998420), (3, 85332280), (4, 63999210), (5, 51199368), (6, 42666140), (8, 31999605), (10, 25599684), (11, 23272440), (12, 21333070), (15, 17066456), (20, 12799842), (22, 11636220), (24, 10666535), (30, 8533228), (33, 7757480), (40, 6399921), (44, 5818110), (55, 4654488), (60, 4266614), (66, 3878740), (88, 2909055), (110, 2327244), (120, 2133307), (132, 1939370), (165, 1551496), (220, 1163622), (264, 969685), (330, 775748), (440, 581811), (660, 387874), (1320, 193937)]