15284420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18584380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 223, 230, 298, 446, 460, 596, 745, 892, 1115, 1490, 2230, 2980, 3427, 4460, 5129, 6854, 10258, 13708, 17135, 20516, 25645, 33227, 34270, 51290, 66454, 68540, 102580, 132908, 166135, 332270, 664540, 764221, 1528442, 3056884, 3821105, 7642210, 15284420]

約数ペア:

[(1, 15284420), (2, 7642210), (4, 3821105), (5, 3056884), (10, 1528442), (20, 764221), (23, 664540), (46, 332270), (92, 166135), (115, 132908), (149, 102580), (223, 68540), (230, 66454), (298, 51290), (446, 34270), (460, 33227), (596, 25645), (745, 20516), (892, 17135), (1115, 13708), (1490, 10258), (2230, 6854), (2980, 5129), (3427, 4460)]