80359680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1272

約数の個数: 144

約数和(自身を含む): 271966464

約数和(自身を除く): 191606784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1231, 1280, 1360, 1632, 1920, 2040, 2176, 2462, 2720, 3264, 3693, 3840, 4080, 4352, 4924, 5440, 6155, 6528, 7386, 8160, 9848, 10880, 12310, 13056, 14772, 16320, 18465, 19696, 20927, 21760, 24620, 29544, 32640, 36930, 39392, 41854, 49240, 59088, 62781, 65280, 73860, 78784, 83708, 98480, 104635, 118176, 125562, 147720, 157568, 167416, 196960, 209270, 236352, 251124, 295440, 313905, 315136, 334832, 393920, 418540, 472704, 502248, 590880, 627810, 669664, 787840, 837080, 945408, 1004496, 1181760, 1255620, 1339328, 1575680, 1674160, 2008992, 2363520, 2511240, 2678656, 3348320, 4017984, 4727040, 5022480, 5357312, 6696640, 8035968, 10044960, 13393280, 16071936, 20089920, 26786560, 40179840, 80359680]

約数ペア:

[(1, 80359680), (2, 40179840), (3, 26786560), (4, 20089920), (5, 16071936), (6, 13393280), (8, 10044960), (10, 8035968), (12, 6696640), (15, 5357312), (16, 5022480), (17, 4727040), (20, 4017984), (24, 3348320), (30, 2678656), (32, 2511240), (34, 2363520), (40, 2008992), (48, 1674160), (51, 1575680), (60, 1339328), (64, 1255620), (68, 1181760), (80, 1004496), (85, 945408), (96, 837080), (102, 787840), (120, 669664), (128, 627810), (136, 590880), (160, 502248), (170, 472704), (192, 418540), (204, 393920), (240, 334832), (255, 315136), (256, 313905), (272, 295440), (320, 251124), (340, 236352), (384, 209270), (408, 196960), (480, 167416), (510, 157568), (544, 147720), (640, 125562), (680, 118176), (768, 104635), (816, 98480), (960, 83708), (1020, 78784), (1088, 73860), (1231, 65280), (1280, 62781), (1360, 59088), (1632, 49240), (1920, 41854), (2040, 39392), (2176, 36930), (2462, 32640), (2720, 29544), (3264, 24620), (3693, 21760), (3840, 20927), (4080, 19696), (4352, 18465), (4924, 16320), (5440, 14772), (6155, 13056), (6528, 12310), (7386, 10880), (8160, 9848)]