638413920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8693}}^1$

素因数の和:8734

約数の個数: 192

約数和(自身を含む): 2366159040

約数和(自身を除く): 1727745120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 340, 360, 408, 432, 459, 480, 510, 540, 544, 612, 680, 720, 765, 816, 864, 918, 1020, 1080, 1224, 1360, 1440, 1530, 1632, 1836, 2040, 2160, 2295, 2448, 2720, 3060, 3672, 4080, 4320, 4590, 4896, 6120, 7344, 8160, 8693, 9180, 12240, 14688, 17386, 18360, 24480, 26079, 34772, 36720, 43465, 52158, 69544, 73440, 78237, 86930, 104316, 130395, 139088, 147781, 156474, 173860, 208632, 234711, 260790, 278176, 295562, 312948, 347720, 391185, 417264, 443343, 469422, 521580, 591124, 625896, 695440, 738905, 782370, 834528, 886686, 938844, 1043160, 1173555, 1182248, 1251792, 1330029, 1390880, 1477810, 1564740, 1773372, 1877688, 2086320, 2216715, 2347110, 2364496, 2503584, 2660058, 2955620, 3129480, 3546744, 3755376, 3990087, 4172640, 4433430, 4694220, 4728992, 5320116, 5911240, 6258960, 6650145, 7093488, 7510752, 7980174, 8866860, 9388440, 10640232, 11822480, 12517920, 13300290, 14186976, 15960348, 17733720, 18776880, 19950435, 21280464, 23644960, 26600580, 31920696, 35467440, 37553760, 39900870, 42560928, 53201160, 63841392, 70934880, 79801740, 106402320, 127682784, 159603480, 212804640, 319206960, 638413920]

約数ペア:

[(1, 638413920), (2, 319206960), (3, 212804640), (4, 159603480), (5, 127682784), (6, 106402320), (8, 79801740), (9, 70934880), (10, 63841392), (12, 53201160), (15, 42560928), (16, 39900870), (17, 37553760), (18, 35467440), (20, 31920696), (24, 26600580), (27, 23644960), (30, 21280464), (32, 19950435), (34, 18776880), (36, 17733720), (40, 15960348), (45, 14186976), (48, 13300290), (51, 12517920), (54, 11822480), (60, 10640232), (68, 9388440), (72, 8866860), (80, 7980174), (85, 7510752), (90, 7093488), (96, 6650145), (102, 6258960), (108, 5911240), (120, 5320116), (135, 4728992), (136, 4694220), (144, 4433430), (153, 4172640), (160, 3990087), (170, 3755376), (180, 3546744), (204, 3129480), (216, 2955620), (240, 2660058), (255, 2503584), (270, 2364496), (272, 2347110), (288, 2216715), (306, 2086320), (340, 1877688), (360, 1773372), (408, 1564740), (432, 1477810), (459, 1390880), (480, 1330029), (510, 1251792), (540, 1182248), (544, 1173555), (612, 1043160), (680, 938844), (720, 886686), (765, 834528), (816, 782370), (864, 738905), (918, 695440), (1020, 625896), (1080, 591124), (1224, 521580), (1360, 469422), (1440, 443343), (1530, 417264), (1632, 391185), (1836, 347720), (2040, 312948), (2160, 295562), (2295, 278176), (2448, 260790), (2720, 234711), (3060, 208632), (3672, 173860), (4080, 156474), (4320, 147781), (4590, 139088), (4896, 130395), (6120, 104316), (7344, 86930), (8160, 78237), (8693, 73440), (9180, 69544), (12240, 52158), (14688, 43465), (17386, 36720), (18360, 34772), (24480, 26079)]