15121700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 36560160

約数和(自身を除く): 21438460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 233, 236, 275, 295, 466, 550, 590, 649, 932, 1100, 1165, 1180, 1298, 1475, 2330, 2563, 2596, 2950, 3245, 4660, 5126, 5825, 5900, 6490, 10252, 11650, 12815, 12980, 13747, 16225, 23300, 25630, 27494, 32450, 51260, 54988, 64075, 64900, 68735, 128150, 137470, 151217, 256300, 274940, 302434, 343675, 604868, 687350, 756085, 1374700, 1512170, 3024340, 3780425, 7560850, 15121700]

約数ペア:

[(1, 15121700), (2, 7560850), (4, 3780425), (5, 3024340), (10, 1512170), (11, 1374700), (20, 756085), (22, 687350), (25, 604868), (44, 343675), (50, 302434), (55, 274940), (59, 256300), (100, 151217), (110, 137470), (118, 128150), (220, 68735), (233, 64900), (236, 64075), (275, 54988), (295, 51260), (466, 32450), (550, 27494), (590, 25630), (649, 23300), (932, 16225), (1100, 13747), (1165, 12980), (1180, 12815), (1298, 11650), (1475, 10252), (2330, 6490), (2563, 5900), (2596, 5825), (2950, 5126), (3245, 4660)]