216697680

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 240

約数和(自身を含む): 770200704

約数和(自身を除く): 553503024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 157, 162, 180, 213, 216, 240, 243, 270, 284, 314, 324, 355, 360, 405, 426, 432, 471, 486, 540, 568, 628, 639, 648, 710, 720, 785, 810, 852, 942, 972, 1065, 1080, 1136, 1215, 1256, 1278, 1296, 1413, 1420, 1570, 1620, 1704, 1884, 1917, 1944, 2130, 2160, 2355, 2430, 2512, 2556, 2826, 2840, 3140, 3195, 3240, 3408, 3768, 3834, 3888, 4239, 4260, 4710, 4860, 5112, 5652, 5680, 5751, 6280, 6390, 6480, 7065, 7536, 7668, 8478, 8520, 9420, 9585, 9720, 10224, 11147, 11304, 11502, 12560, 12717, 12780, 14130, 15336, 16956, 17040, 17253, 18840, 19170, 19440, 21195, 22294, 22608, 23004, 25434, 25560, 28260, 28755, 30672, 33441, 33912, 34506, 37680, 38151, 38340, 42390, 44588, 46008, 50868, 51120, 55735, 56520, 57510, 63585, 66882, 67824, 69012, 76302, 76680, 84780, 86265, 89176, 92016, 100323, 101736, 111470, 113040, 115020, 127170, 133764, 138024, 152604, 153360, 167205, 169560, 172530, 178352, 190755, 200646, 203472, 222940, 230040, 254340, 267528, 276048, 300969, 305208, 334410, 339120, 345060, 381510, 401292, 445880, 460080, 501615, 508680, 535056, 601938, 610416, 668820, 690120, 763020, 802584, 891760, 902907, 1003230, 1017360, 1203876, 1337640, 1380240, 1504845, 1526040, 1605168, 1805814, 2006460, 2407752, 2675280, 2708721, 3009690, 3052080, 3611628, 4012920, 4514535, 4815504, 5417442, 6019380, 7223256, 8025840, 9029070, 10834884, 12038760, 13543605, 14446512, 18058140, 21669768, 24077520, 27087210, 36116280, 43339536, 54174420, 72232560, 108348840, 216697680]

約数ペア:

[(1, 216697680), (2, 108348840), (3, 72232560), (4, 54174420), (5, 43339536), (6, 36116280), (8, 27087210), (9, 24077520), (10, 21669768), (12, 18058140), (15, 14446512), (16, 13543605), (18, 12038760), (20, 10834884), (24, 9029070), (27, 8025840), (30, 7223256), (36, 6019380), (40, 5417442), (45, 4815504), (48, 4514535), (54, 4012920), (60, 3611628), (71, 3052080), (72, 3009690), (80, 2708721), (81, 2675280), (90, 2407752), (108, 2006460), (120, 1805814), (135, 1605168), (142, 1526040), (144, 1504845), (157, 1380240), (162, 1337640), (180, 1203876), (213, 1017360), (216, 1003230), (240, 902907), (243, 891760), (270, 802584), (284, 763020), (314, 690120), (324, 668820), (355, 610416), (360, 601938), (405, 535056), (426, 508680), (432, 501615), (471, 460080), (486, 445880), (540, 401292), (568, 381510), (628, 345060), (639, 339120), (648, 334410), (710, 305208), (720, 300969), (785, 276048), (810, 267528), (852, 254340), (942, 230040), (972, 222940), (1065, 203472), (1080, 200646), (1136, 190755), (1215, 178352), (1256, 172530), (1278, 169560), (1296, 167205), (1413, 153360), (1420, 152604), (1570, 138024), (1620, 133764), (1704, 127170), (1884, 115020), (1917, 113040), (1944, 111470), (2130, 101736), (2160, 100323), (2355, 92016), (2430, 89176), (2512, 86265), (2556, 84780), (2826, 76680), (2840, 76302), (3140, 69012), (3195, 67824), (3240, 66882), (3408, 63585), (3768, 57510), (3834, 56520), (3888, 55735), (4239, 51120), (4260, 50868), (4710, 46008), (4860, 44588), (5112, 42390), (5652, 38340), (5680, 38151), (5751, 37680), (6280, 34506), (6390, 33912), (6480, 33441), (7065, 30672), (7536, 28755), (7668, 28260), (8478, 25560), (8520, 25434), (9420, 23004), (9585, 22608), (9720, 22294), (10224, 21195), (11147, 19440), (11304, 19170), (11502, 18840), (12560, 17253), (12717, 17040), (12780, 16956), (14130, 15336)]