217871280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27509}}^1$

素因数の和:27539

約数の個数: 120

約数和(自身を含む): 798230160

約数和(自身を除く): 580358880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 27509, 55018, 82527, 110036, 137545, 165054, 220072, 247581, 275090, 302599, 330108, 412635, 440144, 495162, 550180, 605198, 660216, 825270, 907797, 990324, 1100360, 1210396, 1237905, 1320432, 1512995, 1650540, 1815594, 1980648, 2200720, 2420792, 2475810, 2723391, 3025990, 3301080, 3631188, 3961296, 4538985, 4841584, 4951620, 5446782, 6051980, 6602160, 7262376, 9077970, 9903240, 10893564, 12103960, 13616955, 14524752, 18155940, 19806480, 21787128, 24207920, 27233910, 36311880, 43574256, 54467820, 72623760, 108935640, 217871280]

約数ペア:

[(1, 217871280), (2, 108935640), (3, 72623760), (4, 54467820), (5, 43574256), (6, 36311880), (8, 27233910), (9, 24207920), (10, 21787128), (11, 19806480), (12, 18155940), (15, 14524752), (16, 13616955), (18, 12103960), (20, 10893564), (22, 9903240), (24, 9077970), (30, 7262376), (33, 6602160), (36, 6051980), (40, 5446782), (44, 4951620), (45, 4841584), (48, 4538985), (55, 3961296), (60, 3631188), (66, 3301080), (72, 3025990), (80, 2723391), (88, 2475810), (90, 2420792), (99, 2200720), (110, 1980648), (120, 1815594), (132, 1650540), (144, 1512995), (165, 1320432), (176, 1237905), (180, 1210396), (198, 1100360), (220, 990324), (240, 907797), (264, 825270), (330, 660216), (360, 605198), (396, 550180), (440, 495162), (495, 440144), (528, 412635), (660, 330108), (720, 302599), (792, 275090), (880, 247581), (990, 220072), (1320, 165054), (1584, 137545), (1980, 110036), (2640, 82527), (3960, 55018), (7920, 27509)]