280501320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{212501}}^1$

素因数の和:212526

約数の個数: 64

約数和(自身を含む): 918008640

約数和(自身を除く): 637507320

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, 212501, 425002, 637503, 850004, 1062505, 1275006, 1700008, 2125010, 2337511, 2550012, 3187515, 4250020, 4675022, 5100024, 6375030, 7012533, 8500040, 9350044, 11687555, 12750060, 14025066, 18700088, 23375110, 25500120, 28050132, 35062665, 46750220, 56100264, 70125330, 93500440, 140250660, 280501320]

約数ペア:

[(1, 280501320), (2, 140250660), (3, 93500440), (4, 70125330), (5, 56100264), (6, 46750220), (8, 35062665), (10, 28050132), (11, 25500120), (12, 23375110), (15, 18700088), (20, 14025066), (22, 12750060), (24, 11687555), (30, 9350044), (33, 8500040), (40, 7012533), (44, 6375030), (55, 5100024), (60, 4675022), (66, 4250020), (88, 3187515), (110, 2550012), (120, 2337511), (132, 2125010), (165, 1700008), (220, 1275006), (264, 1062505), (330, 850004), (440, 637503), (660, 425002), (1320, 212501)]