440846080

素因数分解:

$2^8\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1217}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 1060566192

約数和(自身を除く): 619720112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 283, 320, 566, 640, 1132, 1217, 1280, 1415, 2264, 2434, 2830, 4528, 4868, 5660, 6085, 9056, 9736, 11320, 12170, 18112, 19472, 22640, 24340, 36224, 38944, 45280, 48680, 72448, 77888, 90560, 97360, 155776, 181120, 194720, 311552, 344411, 362240, 389440, 688822, 778880, 1377644, 1557760, 1722055, 2755288, 3444110, 5510576, 6888220, 11021152, 13776440, 22042304, 27552880, 44084608, 55105760, 88169216, 110211520, 220423040, 440846080]

約数ペア:

[(1, 440846080), (2, 220423040), (4, 110211520), (5, 88169216), (8, 55105760), (10, 44084608), (16, 27552880), (20, 22042304), (32, 13776440), (40, 11021152), (64, 6888220), (80, 5510576), (128, 3444110), (160, 2755288), (256, 1722055), (283, 1557760), (320, 1377644), (566, 778880), (640, 688822), (1132, 389440), (1217, 362240), (1280, 344411), (1415, 311552), (2264, 194720), (2434, 181120), (2830, 155776), (4528, 97360), (4868, 90560), (5660, 77888), (6085, 72448), (9056, 48680), (9736, 45280), (11320, 38944), (12170, 36224), (18112, 24340), (19472, 22640)]