64405920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1358

約数の個数: 96

約数和(自身を含む): 204906240

約数和(自身を除く): 140500320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 109, 120, 160, 218, 240, 327, 436, 480, 545, 654, 872, 1090, 1231, 1308, 1635, 1744, 2180, 2462, 2616, 3270, 3488, 3693, 4360, 4924, 5232, 6155, 6540, 7386, 8720, 9848, 10464, 12310, 13080, 14772, 17440, 18465, 19696, 24620, 26160, 29544, 36930, 39392, 49240, 52320, 59088, 73860, 98480, 118176, 134179, 147720, 196960, 268358, 295440, 402537, 536716, 590880, 670895, 805074, 1073432, 1341790, 1610148, 2012685, 2146864, 2683580, 3220296, 4025370, 4293728, 5367160, 6440592, 8050740, 10734320, 12881184, 16101480, 21468640, 32202960, 64405920]

約数ペア:

[(1, 64405920), (2, 32202960), (3, 21468640), (4, 16101480), (5, 12881184), (6, 10734320), (8, 8050740), (10, 6440592), (12, 5367160), (15, 4293728), (16, 4025370), (20, 3220296), (24, 2683580), (30, 2146864), (32, 2012685), (40, 1610148), (48, 1341790), (60, 1073432), (80, 805074), (96, 670895), (109, 590880), (120, 536716), (160, 402537), (218, 295440), (240, 268358), (327, 196960), (436, 147720), (480, 134179), (545, 118176), (654, 98480), (872, 73860), (1090, 59088), (1231, 52320), (1308, 49240), (1635, 39392), (1744, 36930), (2180, 29544), (2462, 26160), (2616, 24620), (3270, 19696), (3488, 18465), (3693, 17440), (4360, 14772), (4924, 13080), (5232, 12310), (6155, 10464), (6540, 9848), (7386, 8720)]