126465920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{28229}}^1$

素因数の和:28255

約数の個数: 64

約数和(自身を含む): 345535200

約数和(自身を除く): 219069280

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 28229, 56458, 112916, 141145, 197603, 225832, 282290, 395206, 451664, 564580, 790412, 903328, 988015, 1129160, 1580824, 1806656, 1976030, 2258320, 3161648, 3613312, 3952060, 4516640, 6323296, 7904120, 9033280, 12646592, 15808240, 18066560, 25293184, 31616480, 63232960, 126465920]

約数ペア:

[(1, 126465920), (2, 63232960), (4, 31616480), (5, 25293184), (7, 18066560), (8, 15808240), (10, 12646592), (14, 9033280), (16, 7904120), (20, 6323296), (28, 4516640), (32, 3952060), (35, 3613312), (40, 3161648), (56, 2258320), (64, 1976030), (70, 1806656), (80, 1580824), (112, 1129160), (128, 988015), (140, 903328), (160, 790412), (224, 564580), (280, 451664), (320, 395206), (448, 282290), (560, 225832), (640, 197603), (896, 141145), (1120, 112916), (2240, 56458), (4480, 28229)]