201960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:48

約数の個数: 128

約数和(自身を含む): 777600

約数和(自身を除く): 575640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 44, 45, 51, 54, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 108, 110, 120, 132, 135, 136, 153, 165, 170, 180, 187, 198, 204, 216, 220, 255, 264, 270, 297, 306, 330, 340, 360, 374, 396, 408, 440, 459, 495, 510, 540, 561, 594, 612, 660, 680, 748, 765, 792, 918, 935, 990, 1020, 1080, 1122, 1188, 1224, 1320, 1485, 1496, 1530, 1683, 1836, 1870, 1980, 2040, 2244, 2295, 2376, 2805, 2970, 3060, 3366, 3672, 3740, 3960, 4488, 4590, 5049, 5610, 5940, 6120, 6732, 7480, 8415, 9180, 10098, 11220, 11880, 13464, 16830, 18360, 20196, 22440, 25245, 33660, 40392, 50490, 67320, 100980, 201960]

約数ペア:

[(1, 201960), (2, 100980), (3, 67320), (4, 50490), (5, 40392), (6, 33660), (8, 25245), (9, 22440), (10, 20196), (11, 18360), (12, 16830), (15, 13464), (17, 11880), (18, 11220), (20, 10098), (22, 9180), (24, 8415), (27, 7480), (30, 6732), (33, 6120), (34, 5940), (36, 5610), (40, 5049), (44, 4590), (45, 4488), (51, 3960), (54, 3740), (55, 3672), (60, 3366), (66, 3060), (68, 2970), (72, 2805), (85, 2376), (88, 2295), (90, 2244), (99, 2040), (102, 1980), (108, 1870), (110, 1836), (120, 1683), (132, 1530), (135, 1496), (136, 1485), (153, 1320), (165, 1224), (170, 1188), (180, 1122), (187, 1080), (198, 1020), (204, 990), (216, 935), (220, 918), (255, 792), (264, 765), (270, 748), (297, 680), (306, 660), (330, 612), (340, 594), (360, 561), (374, 540), (396, 510), (408, 495), (440, 459)]