2788291280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{1997}}^1$

素因数の和:2604

約数の個数: 80

約数和(自身を含む): 6707142144

約数和(自身を除く): 3918850864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 563, 620, 1126, 1240, 1997, 2252, 2480, 2815, 3994, 4504, 5630, 7988, 9008, 9985, 11260, 15976, 17453, 19970, 22520, 31952, 34906, 39940, 45040, 61907, 69812, 79880, 87265, 123814, 139624, 159760, 174530, 247628, 279248, 309535, 349060, 495256, 619070, 698120, 990512, 1124311, 1238140, 1396240, 2248622, 2476280, 4497244, 4952560, 5621555, 8994488, 11243110, 17988976, 22486220, 34853641, 44972440, 69707282, 89944880, 139414564, 174268205, 278829128, 348536410, 557658256, 697072820, 1394145640, 2788291280]

約数ペア:

[(1, 2788291280), (2, 1394145640), (4, 697072820), (5, 557658256), (8, 348536410), (10, 278829128), (16, 174268205), (20, 139414564), (31, 89944880), (40, 69707282), (62, 44972440), (80, 34853641), (124, 22486220), (155, 17988976), (248, 11243110), (310, 8994488), (496, 5621555), (563, 4952560), (620, 4497244), (1126, 2476280), (1240, 2248622), (1997, 1396240), (2252, 1238140), (2480, 1124311), (2815, 990512), (3994, 698120), (4504, 619070), (5630, 495256), (7988, 349060), (9008, 309535), (9985, 279248), (11260, 247628), (15976, 174530), (17453, 159760), (19970, 139624), (22520, 123814), (31952, 87265), (34906, 79880), (39940, 69812), (45040, 61907)]