15947800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 40817700

約数和(自身を除く): 24869900

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 659, 968, 1100, 1210, 1318, 2200, 2420, 2636, 3025, 3295, 4840, 5272, 6050, 6590, 7249, 12100, 13180, 14498, 16475, 24200, 26360, 28996, 32950, 36245, 57992, 65900, 72490, 79739, 131800, 144980, 159478, 181225, 289960, 318956, 362450, 398695, 637912, 724900, 797390, 1449800, 1594780, 1993475, 3189560, 3986950, 7973900, 15947800]

約数ペア:

[(1, 15947800), (2, 7973900), (4, 3986950), (5, 3189560), (8, 1993475), (10, 1594780), (11, 1449800), (20, 797390), (22, 724900), (25, 637912), (40, 398695), (44, 362450), (50, 318956), (55, 289960), (88, 181225), (100, 159478), (110, 144980), (121, 131800), (200, 79739), (220, 72490), (242, 65900), (275, 57992), (440, 36245), (484, 32950), (550, 28996), (605, 26360), (659, 24200), (968, 16475), (1100, 14498), (1210, 13180), (1318, 12100), (2200, 7249), (2420, 6590), (2636, 6050), (3025, 5272), (3295, 4840)]