1440996920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{142391}}^1$

素因数の和:142436

約数の個数: 64

約数和(自身を含む): 3690800640

約数和(自身を除く): 2249803720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 142391, 284782, 569564, 711955, 1139128, 1423910, 1566301, 2847820, 3132602, 3274993, 5695640, 6265204, 6549986, 7831505, 12530408, 13099972, 15663010, 16374965, 26199944, 31326020, 32749930, 36024923, 62652040, 65499860, 72049846, 130999720, 144099692, 180124615, 288199384, 360249230, 720498460, 1440996920]

約数ペア:

[(1, 1440996920), (2, 720498460), (4, 360249230), (5, 288199384), (8, 180124615), (10, 144099692), (11, 130999720), (20, 72049846), (22, 65499860), (23, 62652040), (40, 36024923), (44, 32749930), (46, 31326020), (55, 26199944), (88, 16374965), (92, 15663010), (110, 13099972), (115, 12530408), (184, 7831505), (220, 6549986), (230, 6265204), (253, 5695640), (440, 3274993), (460, 3132602), (506, 2847820), (920, 1566301), (1012, 1423910), (1265, 1139128), (2024, 711955), (2530, 569564), (5060, 284782), (10120, 142391)]