1387662080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{154873}}^1$

素因数の和:154901

約数の個数: 72

約数和(自身を含む): 3798749472

約数和(自身を除く): 2411087392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 154873, 309746, 619492, 774365, 1084111, 1238984, 1548730, 2168222, 2477968, 3097460, 4336444, 4955936, 5420555, 6194920, 8672888, 9911872, 10841110, 12389840, 17345776, 19823744, 21682220, 24779680, 34691552, 39647488, 43364440, 49559360, 69383104, 86728880, 99118720, 138766208, 173457760, 198237440, 277532416, 346915520, 693831040, 1387662080]

約数ペア:

[(1, 1387662080), (2, 693831040), (4, 346915520), (5, 277532416), (7, 198237440), (8, 173457760), (10, 138766208), (14, 99118720), (16, 86728880), (20, 69383104), (28, 49559360), (32, 43364440), (35, 39647488), (40, 34691552), (56, 24779680), (64, 21682220), (70, 19823744), (80, 17345776), (112, 12389840), (128, 10841110), (140, 9911872), (160, 8672888), (224, 6194920), (256, 5420555), (280, 4955936), (320, 4336444), (448, 3097460), (560, 2477968), (640, 2168222), (896, 1548730), (1120, 1238984), (1280, 1084111), (1792, 774365), (2240, 619492), (4480, 309746), (8960, 154873)]