64997880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3323}}^1$

素因数の和:3500

約数の個数: 64

約数和(自身を含む): 196248960

約数和(自身を除く): 131251080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3323, 3912, 4890, 6520, 6646, 9780, 9969, 13292, 16615, 19560, 19938, 26584, 33230, 39876, 49845, 66460, 79752, 99690, 132920, 199380, 398760, 541649, 1083298, 1624947, 2166596, 2708245, 3249894, 4333192, 5416490, 6499788, 8124735, 10832980, 12999576, 16249470, 21665960, 32498940, 64997880]

約数ペア:

[(1, 64997880), (2, 32498940), (3, 21665960), (4, 16249470), (5, 12999576), (6, 10832980), (8, 8124735), (10, 6499788), (12, 5416490), (15, 4333192), (20, 3249894), (24, 2708245), (30, 2166596), (40, 1624947), (60, 1083298), (120, 541649), (163, 398760), (326, 199380), (489, 132920), (652, 99690), (815, 79752), (978, 66460), (1304, 49845), (1630, 39876), (1956, 33230), (2445, 26584), (3260, 19938), (3323, 19560), (3912, 16615), (4890, 13292), (6520, 9969), (6646, 9780)]