51234120

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 224

約数和(自身を含む): 198313920

約数和(自身を除く): 147079800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 251, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 502, 504, 540, 567, 630, 648, 729, 753, 756, 810, 840, 945, 972, 1004, 1080, 1134, 1215, 1255, 1260, 1458, 1506, 1512, 1620, 1701, 1757, 1890, 1944, 2008, 2259, 2268, 2430, 2510, 2520, 2835, 2916, 3012, 3240, 3402, 3514, 3645, 3765, 3780, 4518, 4536, 4860, 5020, 5103, 5271, 5670, 5832, 6024, 6777, 6804, 7028, 7290, 7530, 7560, 8505, 8785, 9036, 9720, 10040, 10206, 10542, 11295, 11340, 13554, 13608, 14056, 14580, 15060, 15813, 17010, 17570, 18072, 20331, 20412, 21084, 22590, 22680, 25515, 26355, 27108, 29160, 30120, 31626, 33885, 34020, 35140, 40662, 40824, 42168, 45180, 47439, 51030, 52710, 54216, 60993, 63252, 67770, 68040, 70280, 79065, 81324, 90360, 94878, 101655, 102060, 105420, 121986, 126504, 135540, 142317, 158130, 162648, 182979, 189756, 203310, 204120, 210840, 237195, 243972, 271080, 284634, 304965, 316260, 365958, 379512, 406620, 426951, 474390, 487944, 569268, 609930, 632520, 711585, 731916, 813240, 853902, 914895, 948780, 1138536, 1219860, 1280853, 1423170, 1463832, 1707804, 1829790, 1897560, 2134755, 2439720, 2561706, 2846340, 3415608, 3659580, 4269510, 5123412, 5692680, 6404265, 7319160, 8539020, 10246824, 12808530, 17078040, 25617060, 51234120]

約数ペア:

[(1, 51234120), (2, 25617060), (3, 17078040), (4, 12808530), (5, 10246824), (6, 8539020), (7, 7319160), (8, 6404265), (9, 5692680), (10, 5123412), (12, 4269510), (14, 3659580), (15, 3415608), (18, 2846340), (20, 2561706), (21, 2439720), (24, 2134755), (27, 1897560), (28, 1829790), (30, 1707804), (35, 1463832), (36, 1423170), (40, 1280853), (42, 1219860), (45, 1138536), (54, 948780), (56, 914895), (60, 853902), (63, 813240), (70, 731916), (72, 711585), (81, 632520), (84, 609930), (90, 569268), (105, 487944), (108, 474390), (120, 426951), (126, 406620), (135, 379512), (140, 365958), (162, 316260), (168, 304965), (180, 284634), (189, 271080), (210, 243972), (216, 237195), (243, 210840), (251, 204120), (252, 203310), (270, 189756), (280, 182979), (315, 162648), (324, 158130), (360, 142317), (378, 135540), (405, 126504), (420, 121986), (486, 105420), (502, 102060), (504, 101655), (540, 94878), (567, 90360), (630, 81324), (648, 79065), (729, 70280), (753, 68040), (756, 67770), (810, 63252), (840, 60993), (945, 54216), (972, 52710), (1004, 51030), (1080, 47439), (1134, 45180), (1215, 42168), (1255, 40824), (1260, 40662), (1458, 35140), (1506, 34020), (1512, 33885), (1620, 31626), (1701, 30120), (1757, 29160), (1890, 27108), (1944, 26355), (2008, 25515), (2259, 22680), (2268, 22590), (2430, 21084), (2510, 20412), (2520, 20331), (2835, 18072), (2916, 17570), (3012, 17010), (3240, 15813), (3402, 15060), (3514, 14580), (3645, 14056), (3765, 13608), (3780, 13554), (4518, 11340), (4536, 11295), (4860, 10542), (5020, 10206), (5103, 10040), (5271, 9720), (5670, 9036), (5832, 8785), (6024, 8505), (6777, 7560), (6804, 7530), (7028, 7290)]