81511500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{1109}}^1$

素因数の和:1145

約数の個数: 144

約数和(自身を含む): 276363360

約数和(自身を除く): 194851860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 294, 300, 350, 375, 420, 490, 500, 525, 588, 700, 735, 750, 875, 980, 1050, 1109, 1225, 1470, 1500, 1750, 2100, 2218, 2450, 2625, 2940, 3327, 3500, 3675, 4436, 4900, 5250, 5545, 6125, 6654, 7350, 7763, 10500, 11090, 12250, 13308, 14700, 15526, 16635, 18375, 22180, 23289, 24500, 27725, 31052, 33270, 36750, 38815, 46578, 54341, 55450, 66540, 73500, 77630, 83175, 93156, 108682, 110900, 116445, 138625, 155260, 163023, 166350, 194075, 217364, 232890, 271705, 277250, 326046, 332700, 388150, 415875, 465780, 543410, 554500, 582225, 652092, 776300, 815115, 831750, 970375, 1086820, 1164450, 1358525, 1630230, 1663500, 1940750, 2328900, 2717050, 2911125, 3260460, 3881500, 4075575, 5434100, 5822250, 6792625, 8151150, 11644500, 13585250, 16302300, 20377875, 27170500, 40755750, 81511500]

約数ペア:

[(1, 81511500), (2, 40755750), (3, 27170500), (4, 20377875), (5, 16302300), (6, 13585250), (7, 11644500), (10, 8151150), (12, 6792625), (14, 5822250), (15, 5434100), (20, 4075575), (21, 3881500), (25, 3260460), (28, 2911125), (30, 2717050), (35, 2328900), (42, 1940750), (49, 1663500), (50, 1630230), (60, 1358525), (70, 1164450), (75, 1086820), (84, 970375), (98, 831750), (100, 815115), (105, 776300), (125, 652092), (140, 582225), (147, 554500), (150, 543410), (175, 465780), (196, 415875), (210, 388150), (245, 332700), (250, 326046), (294, 277250), (300, 271705), (350, 232890), (375, 217364), (420, 194075), (490, 166350), (500, 163023), (525, 155260), (588, 138625), (700, 116445), (735, 110900), (750, 108682), (875, 93156), (980, 83175), (1050, 77630), (1109, 73500), (1225, 66540), (1470, 55450), (1500, 54341), (1750, 46578), (2100, 38815), (2218, 36750), (2450, 33270), (2625, 31052), (2940, 27725), (3327, 24500), (3500, 23289), (3675, 22180), (4436, 18375), (4900, 16635), (5250, 15526), (5545, 14700), (6125, 13308), (6654, 12250), (7350, 11090), (7763, 10500)]