81797040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1009

約数の個数: 200

約数和(自身を含む): 306261648

約数和(自身を除く): 224464608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 971, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 1942, 2106, 2160, 2340, 2808, 2913, 3120, 3240, 3510, 3884, 4212, 4680, 4855, 5265, 5616, 5826, 6480, 7020, 7768, 8424, 8739, 9360, 9710, 10530, 11652, 12623, 14040, 14565, 15536, 16848, 17478, 19420, 21060, 23304, 25246, 26217, 28080, 29130, 34956, 37869, 38840, 42120, 43695, 46608, 50492, 52434, 58260, 63115, 69912, 75738, 77680, 78651, 84240, 87390, 100984, 104868, 113607, 116520, 126230, 131085, 139824, 151476, 157302, 174780, 189345, 201968, 209736, 227214, 233040, 252460, 262170, 302952, 314604, 340821, 349560, 378690, 393255, 419472, 454428, 504920, 524340, 568035, 605904, 629208, 681642, 699120, 757380, 786510, 908856, 1009840, 1022463, 1048680, 1136070, 1258416, 1363284, 1514760, 1573020, 1704105, 1817712, 2044926, 2097360, 2272140, 2726568, 3029520, 3146040, 3408210, 4089852, 4544280, 5112315, 5453136, 6292080, 6816420, 8179704, 9088560, 10224630, 13632840, 16359408, 20449260, 27265680, 40898520, 81797040]

約数ペア:

[(1, 81797040), (2, 40898520), (3, 27265680), (4, 20449260), (5, 16359408), (6, 13632840), (8, 10224630), (9, 9088560), (10, 8179704), (12, 6816420), (13, 6292080), (15, 5453136), (16, 5112315), (18, 4544280), (20, 4089852), (24, 3408210), (26, 3146040), (27, 3029520), (30, 2726568), (36, 2272140), (39, 2097360), (40, 2044926), (45, 1817712), (48, 1704105), (52, 1573020), (54, 1514760), (60, 1363284), (65, 1258416), (72, 1136070), (78, 1048680), (80, 1022463), (81, 1009840), (90, 908856), (104, 786510), (108, 757380), (117, 699120), (120, 681642), (130, 629208), (135, 605904), (144, 568035), (156, 524340), (162, 504920), (180, 454428), (195, 419472), (208, 393255), (216, 378690), (234, 349560), (240, 340821), (260, 314604), (270, 302952), (312, 262170), (324, 252460), (351, 233040), (360, 227214), (390, 209736), (405, 201968), (432, 189345), (468, 174780), (520, 157302), (540, 151476), (585, 139824), (624, 131085), (648, 126230), (702, 116520), (720, 113607), (780, 104868), (810, 100984), (936, 87390), (971, 84240), (1040, 78651), (1053, 77680), (1080, 75738), (1170, 69912), (1296, 63115), (1404, 58260), (1560, 52434), (1620, 50492), (1755, 46608), (1872, 43695), (1942, 42120), (2106, 38840), (2160, 37869), (2340, 34956), (2808, 29130), (2913, 28080), (3120, 26217), (3240, 25246), (3510, 23304), (3884, 21060), (4212, 19420), (4680, 17478), (4855, 16848), (5265, 15536), (5616, 14565), (5826, 14040), (6480, 12623), (7020, 11652), (7768, 10530), (8424, 9710), (8739, 9360)]