2511378180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{61463}}^1$

素因数の和:61705

約数の個数: 72

約数和(自身を含む): 7651530432

約数和(自身を除く): 5140152252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2270, 2724, 3405, 4086, 4540, 6810, 8172, 10215, 13620, 20430, 40860, 61463, 122926, 184389, 245852, 307315, 368778, 553167, 614630, 737556, 921945, 1106334, 1229260, 1843890, 2212668, 2765835, 3687780, 5531670, 11063340, 13952101, 27904202, 41856303, 55808404, 69760505, 83712606, 125568909, 139521010, 167425212, 209281515, 251137818, 279042020, 418563030, 502275636, 627844545, 837126060, 1255689090, 2511378180]

約数ペア:

[(1, 2511378180), (2, 1255689090), (3, 837126060), (4, 627844545), (5, 502275636), (6, 418563030), (9, 279042020), (10, 251137818), (12, 209281515), (15, 167425212), (18, 139521010), (20, 125568909), (30, 83712606), (36, 69760505), (45, 55808404), (60, 41856303), (90, 27904202), (180, 13952101), (227, 11063340), (454, 5531670), (681, 3687780), (908, 2765835), (1135, 2212668), (1362, 1843890), (2043, 1229260), (2270, 1106334), (2724, 921945), (3405, 737556), (4086, 614630), (4540, 553167), (6810, 368778), (8172, 307315), (10215, 245852), (13620, 184389), (20430, 122926), (40860, 61463)]