65837240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3312

約数の個数: 64

約数和(自身を含む): 171668160

約数和(自身を除く): 105830920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3221, 4088, 5110, 6442, 10220, 12884, 16105, 20440, 22547, 25768, 32210, 45094, 64420, 90188, 112735, 128840, 180376, 225470, 235133, 450940, 470266, 901880, 940532, 1175665, 1645931, 1881064, 2351330, 3291862, 4702660, 6583724, 8229655, 9405320, 13167448, 16459310, 32918620, 65837240]

約数ペア:

[(1, 65837240), (2, 32918620), (4, 16459310), (5, 13167448), (7, 9405320), (8, 8229655), (10, 6583724), (14, 4702660), (20, 3291862), (28, 2351330), (35, 1881064), (40, 1645931), (56, 1175665), (70, 940532), (73, 901880), (140, 470266), (146, 450940), (280, 235133), (292, 225470), (365, 180376), (511, 128840), (584, 112735), (730, 90188), (1022, 64420), (1460, 45094), (2044, 32210), (2555, 25768), (2920, 22547), (3221, 20440), (4088, 16105), (5110, 12884), (6442, 10220)]