881331920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21559}}^1$

素因数の和:21652

約数の個数: 80

約数和(自身を含む): 2374014720

約数和(自身を除く): 1492682800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 21559, 40880, 43118, 86236, 107795, 150913, 172472, 215590, 301826, 344944, 431180, 603652, 754565, 862360, 1207304, 1509130, 1573807, 1724720, 2414608, 3018260, 3147614, 6036520, 6295228, 7869035, 11016649, 12073040, 12590456, 15738070, 22033298, 25180912, 31476140, 44066596, 55083245, 62952280, 88133192, 110166490, 125904560, 176266384, 220332980, 440665960, 881331920]

約数ペア:

[(1, 881331920), (2, 440665960), (4, 220332980), (5, 176266384), (7, 125904560), (8, 110166490), (10, 88133192), (14, 62952280), (16, 55083245), (20, 44066596), (28, 31476140), (35, 25180912), (40, 22033298), (56, 15738070), (70, 12590456), (73, 12073040), (80, 11016649), (112, 7869035), (140, 6295228), (146, 6036520), (280, 3147614), (292, 3018260), (365, 2414608), (511, 1724720), (560, 1573807), (584, 1509130), (730, 1207304), (1022, 862360), (1168, 754565), (1460, 603652), (2044, 431180), (2555, 344944), (2920, 301826), (4088, 215590), (5110, 172472), (5840, 150913), (8176, 107795), (10220, 86236), (20440, 43118), (21559, 40880)]