85201920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{43}}^2$

素因数の和:117

約数の個数: 198

約数和(自身を含む): 302247738

約数和(自身を除く): 217045818

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 512, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1024, 1032, 1152, 1280, 1290, 1376, 1440, 1536, 1548, 1720, 1849, 1920, 1935, 2064, 2304, 2560, 2580, 2752, 2880, 3072, 3096, 3440, 3698, 3840, 3870, 4128, 4608, 5120, 5160, 5504, 5547, 5760, 6192, 6880, 7396, 7680, 7740, 8256, 9216, 9245, 10320, 11008, 11094, 11520, 12384, 13760, 14792, 15360, 15480, 16512, 16641, 18490, 20640, 22016, 22188, 23040, 24768, 27520, 27735, 29584, 30960, 33024, 33282, 36980, 41280, 44032, 44376, 46080, 49536, 55040, 55470, 59168, 61920, 66048, 66564, 73960, 82560, 83205, 88752, 99072, 110080, 110940, 118336, 123840, 132096, 133128, 147920, 165120, 166410, 177504, 198144, 220160, 221880, 236672, 247680, 266256, 295840, 330240, 332820, 355008, 396288, 443760, 473344, 495360, 532512, 591680, 660480, 665640, 710016, 887520, 946688, 990720, 1065024, 1183360, 1331280, 1420032, 1775040, 1893376, 1981440, 2130048, 2366720, 2662560, 2840064, 3550080, 4260096, 4733440, 5325120, 5680128, 7100160, 8520192, 9466880, 10650240, 14200320, 17040384, 21300480, 28400640, 42600960, 85201920]

約数ペア:

[(1, 85201920), (2, 42600960), (3, 28400640), (4, 21300480), (5, 17040384), (6, 14200320), (8, 10650240), (9, 9466880), (10, 8520192), (12, 7100160), (15, 5680128), (16, 5325120), (18, 4733440), (20, 4260096), (24, 3550080), (30, 2840064), (32, 2662560), (36, 2366720), (40, 2130048), (43, 1981440), (45, 1893376), (48, 1775040), (60, 1420032), (64, 1331280), (72, 1183360), (80, 1065024), (86, 990720), (90, 946688), (96, 887520), (120, 710016), (128, 665640), (129, 660480), (144, 591680), (160, 532512), (172, 495360), (180, 473344), (192, 443760), (215, 396288), (240, 355008), (256, 332820), (258, 330240), (288, 295840), (320, 266256), (344, 247680), (360, 236672), (384, 221880), (387, 220160), (430, 198144), (480, 177504), (512, 166410), (516, 165120), (576, 147920), (640, 133128), (645, 132096), (688, 123840), (720, 118336), (768, 110940), (774, 110080), (860, 99072), (960, 88752), (1024, 83205), (1032, 82560), (1152, 73960), (1280, 66564), (1290, 66048), (1376, 61920), (1440, 59168), (1536, 55470), (1548, 55040), (1720, 49536), (1849, 46080), (1920, 44376), (1935, 44032), (2064, 41280), (2304, 36980), (2560, 33282), (2580, 33024), (2752, 30960), (2880, 29584), (3072, 27735), (3096, 27520), (3440, 24768), (3698, 23040), (3840, 22188), (3870, 22016), (4128, 20640), (4608, 18490), (5120, 16641), (5160, 16512), (5504, 15480), (5547, 15360), (5760, 14792), (6192, 13760), (6880, 12384), (7396, 11520), (7680, 11094), (7740, 11008), (8256, 10320), (9216, 9245)]