1981828440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{289741}}^1$

素因数の和:289777

約数の個数: 96

約数和(自身を含む): 6779962800

約数和(自身を除く): 4798134360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 289741, 579482, 869223, 1158964, 1448705, 1738446, 2317928, 2607669, 2897410, 3476892, 4346115, 5215338, 5505079, 5794820, 6953784, 8692230, 10430676, 11010158, 11589640, 13038345, 16515237, 17384460, 20861352, 22020316, 26076690, 27525395, 33030474, 34768920, 44040632, 49545711, 52153380, 55050790, 66060948, 82576185, 99091422, 104306760, 110101580, 132121896, 165152370, 198182844, 220203160, 247728555, 330304740, 396365688, 495457110, 660609480, 990914220, 1981828440]

約数ペア:

[(1, 1981828440), (2, 990914220), (3, 660609480), (4, 495457110), (5, 396365688), (6, 330304740), (8, 247728555), (9, 220203160), (10, 198182844), (12, 165152370), (15, 132121896), (18, 110101580), (19, 104306760), (20, 99091422), (24, 82576185), (30, 66060948), (36, 55050790), (38, 52153380), (40, 49545711), (45, 44040632), (57, 34768920), (60, 33030474), (72, 27525395), (76, 26076690), (90, 22020316), (95, 20861352), (114, 17384460), (120, 16515237), (152, 13038345), (171, 11589640), (180, 11010158), (190, 10430676), (228, 8692230), (285, 6953784), (342, 5794820), (360, 5505079), (380, 5215338), (456, 4346115), (570, 3476892), (684, 2897410), (760, 2607669), (855, 2317928), (1140, 1738446), (1368, 1448705), (1710, 1158964), (2280, 869223), (3420, 579482), (6840, 289741)]