28778760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{26647}}^1$

素因数の和:26667

約数の個数: 64

約数和(自身を含む): 95932800

約数和(自身を除く): 67154040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 26647, 53294, 79941, 106588, 133235, 159882, 213176, 239823, 266470, 319764, 399705, 479646, 532940, 639528, 719469, 799410, 959292, 1065880, 1199115, 1438938, 1598820, 1918584, 2398230, 2877876, 3197640, 3597345, 4796460, 5755752, 7194690, 9592920, 14389380, 28778760]

約数ペア:

[(1, 28778760), (2, 14389380), (3, 9592920), (4, 7194690), (5, 5755752), (6, 4796460), (8, 3597345), (9, 3197640), (10, 2877876), (12, 2398230), (15, 1918584), (18, 1598820), (20, 1438938), (24, 1199115), (27, 1065880), (30, 959292), (36, 799410), (40, 719469), (45, 639528), (54, 532940), (60, 479646), (72, 399705), (90, 319764), (108, 266470), (120, 239823), (135, 213176), (180, 159882), (216, 133235), (270, 106588), (360, 79941), (540, 53294), (1080, 26647)]