128942460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2663}}^1$

素因数の和:2947

約数の個数: 72

約数和(自身を含む): 392726880

約数和(自身を除く): 263784420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 2421, 2663, 2690, 3228, 4035, 4842, 5326, 5380, 7989, 8070, 9684, 10652, 12105, 13315, 15978, 16140, 23967, 24210, 26630, 31956, 39945, 47934, 48420, 53260, 79890, 95868, 119835, 159780, 239670, 479340, 716347, 1432694, 2149041, 2865388, 3581735, 4298082, 6447123, 7163470, 8596164, 10745205, 12894246, 14326940, 21490410, 25788492, 32235615, 42980820, 64471230, 128942460]

約数ペア:

[(1, 128942460), (2, 64471230), (3, 42980820), (4, 32235615), (5, 25788492), (6, 21490410), (9, 14326940), (10, 12894246), (12, 10745205), (15, 8596164), (18, 7163470), (20, 6447123), (30, 4298082), (36, 3581735), (45, 2865388), (60, 2149041), (90, 1432694), (180, 716347), (269, 479340), (538, 239670), (807, 159780), (1076, 119835), (1345, 95868), (1614, 79890), (2421, 53260), (2663, 48420), (2690, 47934), (3228, 39945), (4035, 31956), (4842, 26630), (5326, 24210), (5380, 23967), (7989, 16140), (8070, 15978), (9684, 13315), (10652, 12105)]