320466965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 495936000

約数和(自身を除く): 175469035

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 149, 163, 203, 377, 455, 745, 815, 1015, 1043, 1141, 1885, 1937, 2119, 2639, 4321, 4727, 5215, 5705, 9685, 10595, 13195, 13559, 14833, 21605, 23635, 24287, 30247, 33089, 56173, 61451, 67795, 74165, 121435, 151235, 165445, 170009, 280865, 307255, 315731, 393211, 430157, 704323, 850045, 1578655, 1966055, 2150785, 2210117, 3521615, 4930261, 9156199, 11050585, 24651305, 45780995, 64093393, 320466965]

約数ペア:

[(1, 320466965), (5, 64093393), (7, 45780995), (13, 24651305), (29, 11050585), (35, 9156199), (65, 4930261), (91, 3521615), (145, 2210117), (149, 2150785), (163, 1966055), (203, 1578655), (377, 850045), (455, 704323), (745, 430157), (815, 393211), (1015, 315731), (1043, 307255), (1141, 280865), (1885, 170009), (1937, 165445), (2119, 151235), (2639, 121435), (4321, 74165), (4727, 67795), (5215, 61451), (5705, 56173), (9685, 33089), (10595, 30247), (13195, 24287), (13559, 23635), (14833, 21605)]