629806720

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11057}}^1$

素因数の和:11165

約数の個数: 64

約数和(自身を含む): 1522686600

約数和(自身を除く): 892879880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 11057, 11392, 14240, 22114, 28480, 44228, 55285, 56960, 88456, 110570, 176912, 221140, 353824, 442280, 707648, 884560, 984073, 1415296, 1769120, 1968146, 3538240, 3936292, 4920365, 7076480, 7872584, 9840730, 15745168, 19681460, 31490336, 39362920, 62980672, 78725840, 125961344, 157451680, 314903360, 629806720]

約数ペア:

[(1, 629806720), (2, 314903360), (4, 157451680), (5, 125961344), (8, 78725840), (10, 62980672), (16, 39362920), (20, 31490336), (32, 19681460), (40, 15745168), (64, 9840730), (80, 7872584), (89, 7076480), (128, 4920365), (160, 3936292), (178, 3538240), (320, 1968146), (356, 1769120), (445, 1415296), (640, 984073), (712, 884560), (890, 707648), (1424, 442280), (1780, 353824), (2848, 221140), (3560, 176912), (5696, 110570), (7120, 88456), (11057, 56960), (11392, 55285), (14240, 44228), (22114, 28480)]