81750280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5278

約数の個数: 64

約数和(自身を含む): 203264640

約数和(自身を除く): 121514360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 5227, 7820, 10454, 15640, 20908, 26135, 41816, 52270, 88859, 104540, 120221, 177718, 209080, 240442, 355436, 444295, 480884, 601105, 710872, 888590, 961768, 1202210, 1777180, 2043757, 2404420, 3554360, 4087514, 4808840, 8175028, 10218785, 16350056, 20437570, 40875140, 81750280]

約数ペア:

[(1, 81750280), (2, 40875140), (4, 20437570), (5, 16350056), (8, 10218785), (10, 8175028), (17, 4808840), (20, 4087514), (23, 3554360), (34, 2404420), (40, 2043757), (46, 1777180), (68, 1202210), (85, 961768), (92, 888590), (115, 710872), (136, 601105), (170, 480884), (184, 444295), (230, 355436), (340, 240442), (391, 209080), (460, 177718), (680, 120221), (782, 104540), (920, 88859), (1564, 52270), (1955, 41816), (3128, 26135), (3910, 20908), (5227, 15640), (7820, 10454)]