51291720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 183222000

約数和(自身を除く): 131930280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 51, 58, 60, 68, 72, 85, 87, 90, 102, 116, 120, 136, 145, 153, 170, 174, 180, 204, 232, 255, 261, 289, 290, 306, 340, 348, 360, 408, 435, 493, 510, 522, 578, 580, 612, 680, 696, 765, 867, 870, 986, 1020, 1044, 1156, 1160, 1224, 1305, 1445, 1479, 1530, 1734, 1740, 1972, 2040, 2088, 2312, 2465, 2601, 2610, 2890, 2958, 3060, 3468, 3480, 3944, 4335, 4437, 4913, 4930, 5202, 5220, 5780, 5916, 6120, 6936, 7395, 8381, 8670, 8874, 9826, 9860, 10404, 10440, 11560, 11832, 13005, 14739, 14790, 16762, 17340, 17748, 19652, 19720, 20808, 22185, 24565, 25143, 26010, 29478, 29580, 33524, 34680, 35496, 39304, 41905, 44217, 44370, 49130, 50286, 52020, 58956, 59160, 67048, 73695, 75429, 83810, 88434, 88740, 98260, 100572, 104040, 117912, 125715, 142477, 147390, 150858, 167620, 176868, 177480, 196520, 201144, 221085, 251430, 284954, 294780, 301716, 335240, 353736, 377145, 427431, 442170, 502860, 569908, 589560, 603432, 712385, 754290, 854862, 884340, 1005720, 1139816, 1282293, 1424770, 1508580, 1709724, 1768680, 2137155, 2564586, 2849540, 3017160, 3419448, 4274310, 5129172, 5699080, 6411465, 8548620, 10258344, 12822930, 17097240, 25645860, 51291720]

約数ペア:

[(1, 51291720), (2, 25645860), (3, 17097240), (4, 12822930), (5, 10258344), (6, 8548620), (8, 6411465), (9, 5699080), (10, 5129172), (12, 4274310), (15, 3419448), (17, 3017160), (18, 2849540), (20, 2564586), (24, 2137155), (29, 1768680), (30, 1709724), (34, 1508580), (36, 1424770), (40, 1282293), (45, 1139816), (51, 1005720), (58, 884340), (60, 854862), (68, 754290), (72, 712385), (85, 603432), (87, 589560), (90, 569908), (102, 502860), (116, 442170), (120, 427431), (136, 377145), (145, 353736), (153, 335240), (170, 301716), (174, 294780), (180, 284954), (204, 251430), (232, 221085), (255, 201144), (261, 196520), (289, 177480), (290, 176868), (306, 167620), (340, 150858), (348, 147390), (360, 142477), (408, 125715), (435, 117912), (493, 104040), (510, 100572), (522, 98260), (578, 88740), (580, 88434), (612, 83810), (680, 75429), (696, 73695), (765, 67048), (867, 59160), (870, 58956), (986, 52020), (1020, 50286), (1044, 49130), (1156, 44370), (1160, 44217), (1224, 41905), (1305, 39304), (1445, 35496), (1479, 34680), (1530, 33524), (1734, 29580), (1740, 29478), (1972, 26010), (2040, 25143), (2088, 24565), (2312, 22185), (2465, 20808), (2601, 19720), (2610, 19652), (2890, 17748), (2958, 17340), (3060, 16762), (3468, 14790), (3480, 14739), (3944, 13005), (4335, 11832), (4437, 11560), (4913, 10440), (4930, 10404), (5202, 9860), (5220, 9826), (5780, 8874), (5916, 8670), (6120, 8381), (6936, 7395)]