66428320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 188312040

約数和(自身を除く): 121883720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 229, 245, 259, 280, 296, 370, 392, 458, 490, 518, 560, 592, 740, 784, 916, 980, 1036, 1120, 1145, 1184, 1295, 1480, 1568, 1603, 1813, 1832, 1960, 2072, 2290, 2590, 2960, 3206, 3626, 3664, 3920, 4144, 4580, 5180, 5920, 6412, 7252, 7328, 7840, 8015, 8288, 8473, 9065, 9160, 10360, 11221, 12824, 14504, 16030, 16946, 18130, 18320, 20720, 22442, 25648, 29008, 32060, 33892, 36260, 36640, 41440, 42365, 44884, 51296, 56105, 58016, 59311, 64120, 67784, 72520, 84730, 89768, 112210, 118622, 128240, 135568, 145040, 169460, 179536, 224420, 237244, 256480, 271136, 290080, 296555, 338920, 359072, 415177, 448840, 474488, 593110, 677840, 830354, 897680, 948976, 1186220, 1355680, 1660708, 1795360, 1897952, 2075885, 2372440, 3321416, 4151770, 4744880, 6642832, 8303540, 9489760, 13285664, 16607080, 33214160, 66428320]

約数ペア:

[(1, 66428320), (2, 33214160), (4, 16607080), (5, 13285664), (7, 9489760), (8, 8303540), (10, 6642832), (14, 4744880), (16, 4151770), (20, 3321416), (28, 2372440), (32, 2075885), (35, 1897952), (37, 1795360), (40, 1660708), (49, 1355680), (56, 1186220), (70, 948976), (74, 897680), (80, 830354), (98, 677840), (112, 593110), (140, 474488), (148, 448840), (160, 415177), (185, 359072), (196, 338920), (224, 296555), (229, 290080), (245, 271136), (259, 256480), (280, 237244), (296, 224420), (370, 179536), (392, 169460), (458, 145040), (490, 135568), (518, 128240), (560, 118622), (592, 112210), (740, 89768), (784, 84730), (916, 72520), (980, 67784), (1036, 64120), (1120, 59311), (1145, 58016), (1184, 56105), (1295, 51296), (1480, 44884), (1568, 42365), (1603, 41440), (1813, 36640), (1832, 36260), (1960, 33892), (2072, 32060), (2290, 29008), (2590, 25648), (2960, 22442), (3206, 20720), (3626, 18320), (3664, 18130), (3920, 16946), (4144, 16030), (4580, 14504), (5180, 12824), (5920, 11221), (6412, 10360), (7252, 9160), (7328, 9065), (7840, 8473), (8015, 8288)]