61620720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 160

約数和(自身を含む): 223652352

約数和(自身を除く): 162031632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 853, 860, 903, 1032, 1204, 1290, 1505, 1680, 1706, 1720, 1806, 2064, 2408, 2559, 2580, 3010, 3412, 3440, 3612, 4265, 4515, 4816, 5118, 5160, 5971, 6020, 6824, 7224, 8530, 9030, 10236, 10320, 11942, 12040, 12795, 13648, 14448, 17060, 17913, 18060, 20472, 23884, 24080, 25590, 29855, 34120, 35826, 36120, 36679, 40944, 47768, 51180, 59710, 68240, 71652, 72240, 73358, 89565, 95536, 102360, 110037, 119420, 143304, 146716, 179130, 183395, 204720, 220074, 238840, 256753, 286608, 293432, 358260, 366790, 440148, 477680, 513506, 550185, 586864, 716520, 733580, 770259, 880296, 1027012, 1100370, 1283765, 1433040, 1467160, 1540518, 1760592, 2054024, 2200740, 2567530, 2934320, 3081036, 3851295, 4108048, 4401480, 5135060, 6162072, 7702590, 8802960, 10270120, 12324144, 15405180, 20540240, 30810360, 61620720]

約数ペア:

[(1, 61620720), (2, 30810360), (3, 20540240), (4, 15405180), (5, 12324144), (6, 10270120), (7, 8802960), (8, 7702590), (10, 6162072), (12, 5135060), (14, 4401480), (15, 4108048), (16, 3851295), (20, 3081036), (21, 2934320), (24, 2567530), (28, 2200740), (30, 2054024), (35, 1760592), (40, 1540518), (42, 1467160), (43, 1433040), (48, 1283765), (56, 1100370), (60, 1027012), (70, 880296), (80, 770259), (84, 733580), (86, 716520), (105, 586864), (112, 550185), (120, 513506), (129, 477680), (140, 440148), (168, 366790), (172, 358260), (210, 293432), (215, 286608), (240, 256753), (258, 238840), (280, 220074), (301, 204720), (336, 183395), (344, 179130), (420, 146716), (430, 143304), (516, 119420), (560, 110037), (602, 102360), (645, 95536), (688, 89565), (840, 73358), (853, 72240), (860, 71652), (903, 68240), (1032, 59710), (1204, 51180), (1290, 47768), (1505, 40944), (1680, 36679), (1706, 36120), (1720, 35826), (1806, 34120), (2064, 29855), (2408, 25590), (2559, 24080), (2580, 23884), (3010, 20472), (3412, 18060), (3440, 17913), (3612, 17060), (4265, 14448), (4515, 13648), (4816, 12795), (5118, 12040), (5160, 11942), (5971, 10320), (6020, 10236), (6824, 9030), (7224, 8530)]