90387840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 290822400

約数和(自身を除く): 200434560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 179, 192, 240, 263, 320, 358, 384, 480, 526, 537, 640, 716, 789, 895, 960, 1052, 1074, 1315, 1432, 1578, 1790, 1920, 2104, 2148, 2630, 2685, 2864, 3156, 3580, 3945, 4208, 4296, 5260, 5370, 5728, 6312, 7160, 7890, 8416, 8592, 10520, 10740, 11456, 12624, 14320, 15780, 16832, 17184, 21040, 21480, 22912, 25248, 28640, 31560, 33664, 34368, 42080, 42960, 47077, 50496, 57280, 63120, 68736, 84160, 85920, 94154, 100992, 114560, 126240, 141231, 168320, 171840, 188308, 235385, 252480, 282462, 343680, 376616, 470770, 504960, 564924, 706155, 753232, 941540, 1129848, 1412310, 1506464, 1883080, 2259696, 2824620, 3012928, 3766160, 4519392, 5649240, 6025856, 7532320, 9038784, 11298480, 15064640, 18077568, 22596960, 30129280, 45193920, 90387840]

約数ペア:

[(1, 90387840), (2, 45193920), (3, 30129280), (4, 22596960), (5, 18077568), (6, 15064640), (8, 11298480), (10, 9038784), (12, 7532320), (15, 6025856), (16, 5649240), (20, 4519392), (24, 3766160), (30, 3012928), (32, 2824620), (40, 2259696), (48, 1883080), (60, 1506464), (64, 1412310), (80, 1129848), (96, 941540), (120, 753232), (128, 706155), (160, 564924), (179, 504960), (192, 470770), (240, 376616), (263, 343680), (320, 282462), (358, 252480), (384, 235385), (480, 188308), (526, 171840), (537, 168320), (640, 141231), (716, 126240), (789, 114560), (895, 100992), (960, 94154), (1052, 85920), (1074, 84160), (1315, 68736), (1432, 63120), (1578, 57280), (1790, 50496), (1920, 47077), (2104, 42960), (2148, 42080), (2630, 34368), (2685, 33664), (2864, 31560), (3156, 28640), (3580, 25248), (3945, 22912), (4208, 21480), (4296, 21040), (5260, 17184), (5370, 16832), (5728, 15780), (6312, 14320), (7160, 12624), (7890, 11456), (8416, 10740), (8592, 10520)]