320620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 762048

約数和(自身を除く): 441428

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 41, 46, 68, 82, 85, 92, 115, 164, 170, 205, 230, 340, 391, 410, 460, 697, 782, 820, 943, 1394, 1564, 1886, 1955, 2788, 3485, 3772, 3910, 4715, 6970, 7820, 9430, 13940, 16031, 18860, 32062, 64124, 80155, 160310, 320620]

約数ペア:

[(1, 320620), (2, 160310), (4, 80155), (5, 64124), (10, 32062), (17, 18860), (20, 16031), (23, 13940), (34, 9430), (41, 7820), (46, 6970), (68, 4715), (82, 3910), (85, 3772), (92, 3485), (115, 2788), (164, 1955), (170, 1886), (205, 1564), (230, 1394), (340, 943), (391, 820), (410, 782), (460, 697)]