1656405960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{26699}}^1$

素因数の和:26771

約数の個数: 128

約数和(自身を含む): 5536512000

約数和(自身を除く): 3880106040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2820, 3102, 4136, 5170, 5640, 6204, 7755, 10340, 12408, 15510, 20680, 26699, 31020, 53398, 62040, 80097, 106796, 133495, 160194, 213592, 266990, 293689, 320388, 400485, 533980, 587378, 640776, 800970, 881067, 1067960, 1174756, 1254853, 1468445, 1601940, 1762134, 2349512, 2509706, 2936890, 3203880, 3524268, 3764559, 4405335, 5019412, 5873780, 6274265, 7048536, 7529118, 8810670, 10038824, 11747560, 12548530, 13803383, 15058236, 17621340, 18822795, 25097060, 27606766, 30116472, 35242680, 37645590, 41410149, 50194120, 55213532, 69016915, 75291180, 82820298, 110427064, 138033830, 150582360, 165640596, 207050745, 276067660, 331281192, 414101490, 552135320, 828202980, 1656405960]

約数ペア:

[(1, 1656405960), (2, 828202980), (3, 552135320), (4, 414101490), (5, 331281192), (6, 276067660), (8, 207050745), (10, 165640596), (11, 150582360), (12, 138033830), (15, 110427064), (20, 82820298), (22, 75291180), (24, 69016915), (30, 55213532), (33, 50194120), (40, 41410149), (44, 37645590), (47, 35242680), (55, 30116472), (60, 27606766), (66, 25097060), (88, 18822795), (94, 17621340), (110, 15058236), (120, 13803383), (132, 12548530), (141, 11747560), (165, 10038824), (188, 8810670), (220, 7529118), (235, 7048536), (264, 6274265), (282, 5873780), (330, 5019412), (376, 4405335), (440, 3764559), (470, 3524268), (517, 3203880), (564, 2936890), (660, 2509706), (705, 2349512), (940, 1762134), (1034, 1601940), (1128, 1468445), (1320, 1254853), (1410, 1174756), (1551, 1067960), (1880, 881067), (2068, 800970), (2585, 640776), (2820, 587378), (3102, 533980), (4136, 400485), (5170, 320388), (5640, 293689), (6204, 266990), (7755, 213592), (10340, 160194), (12408, 133495), (15510, 106796), (20680, 80097), (26699, 62040), (31020, 53398)]