1991567160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{502921}}^1$

素因数の和:502949

約数の個数: 96

約数和(自身を含む): 7061024880

約数和(自身を除く): 5069457720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 502921, 1005842, 1508763, 2011684, 2514605, 3017526, 4023368, 4526289, 5029210, 5532131, 6035052, 7543815, 9052578, 10058420, 11064262, 12070104, 15087630, 16596393, 18105156, 20116840, 22128524, 22631445, 27660655, 30175260, 33192786, 36210312, 44257048, 45262890, 49789179, 55321310, 60350520, 66385572, 82981965, 90525780, 99578358, 110642620, 132771144, 165963930, 181051560, 199156716, 221285240, 248945895, 331927860, 398313432, 497891790, 663855720, 995783580, 1991567160]

約数ペア:

[(1, 1991567160), (2, 995783580), (3, 663855720), (4, 497891790), (5, 398313432), (6, 331927860), (8, 248945895), (9, 221285240), (10, 199156716), (11, 181051560), (12, 165963930), (15, 132771144), (18, 110642620), (20, 99578358), (22, 90525780), (24, 82981965), (30, 66385572), (33, 60350520), (36, 55321310), (40, 49789179), (44, 45262890), (45, 44257048), (55, 36210312), (60, 33192786), (66, 30175260), (72, 27660655), (88, 22631445), (90, 22128524), (99, 20116840), (110, 18105156), (120, 16596393), (132, 15087630), (165, 12070104), (180, 11064262), (198, 10058420), (220, 9052578), (264, 7543815), (330, 6035052), (360, 5532131), (396, 5029210), (440, 4526289), (495, 4023368), (660, 3017526), (792, 2514605), (990, 2011684), (1320, 1508763), (1980, 1005842), (3960, 502921)]