64907920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 193487616

約数和(自身を除く): 128579696

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 164, 176, 205, 220, 257, 280, 287, 308, 328, 385, 410, 440, 451, 514, 560, 574, 616, 656, 770, 820, 880, 902, 1028, 1148, 1232, 1285, 1435, 1540, 1640, 1799, 1804, 2056, 2255, 2296, 2570, 2827, 2870, 3080, 3157, 3280, 3598, 3608, 4112, 4510, 4592, 5140, 5654, 5740, 6160, 6314, 7196, 7216, 8995, 9020, 10280, 10537, 11308, 11480, 12628, 14135, 14392, 15785, 17990, 18040, 19789, 20560, 21074, 22616, 22960, 25256, 28270, 28784, 31570, 35980, 36080, 39578, 42148, 45232, 50512, 52685, 56540, 63140, 71960, 73759, 79156, 84296, 98945, 105370, 113080, 115907, 126280, 143920, 147518, 158312, 168592, 197890, 210740, 226160, 231814, 252560, 295036, 316624, 368795, 395780, 421480, 463628, 579535, 590072, 737590, 791560, 811349, 842960, 927256, 1159070, 1180144, 1475180, 1583120, 1622698, 1854512, 2318140, 2950360, 3245396, 4056745, 4636280, 5900720, 6490792, 8113490, 9272560, 12981584, 16226980, 32453960, 64907920]

約数ペア:

[(1, 64907920), (2, 32453960), (4, 16226980), (5, 12981584), (7, 9272560), (8, 8113490), (10, 6490792), (11, 5900720), (14, 4636280), (16, 4056745), (20, 3245396), (22, 2950360), (28, 2318140), (35, 1854512), (40, 1622698), (41, 1583120), (44, 1475180), (55, 1180144), (56, 1159070), (70, 927256), (77, 842960), (80, 811349), (82, 791560), (88, 737590), (110, 590072), (112, 579535), (140, 463628), (154, 421480), (164, 395780), (176, 368795), (205, 316624), (220, 295036), (257, 252560), (280, 231814), (287, 226160), (308, 210740), (328, 197890), (385, 168592), (410, 158312), (440, 147518), (451, 143920), (514, 126280), (560, 115907), (574, 113080), (616, 105370), (656, 98945), (770, 84296), (820, 79156), (880, 73759), (902, 71960), (1028, 63140), (1148, 56540), (1232, 52685), (1285, 50512), (1435, 45232), (1540, 42148), (1640, 39578), (1799, 36080), (1804, 35980), (2056, 31570), (2255, 28784), (2296, 28270), (2570, 25256), (2827, 22960), (2870, 22616), (3080, 21074), (3157, 20560), (3280, 19789), (3598, 18040), (3608, 17990), (4112, 15785), (4510, 14392), (4592, 14135), (5140, 12628), (5654, 11480), (5740, 11308), (6160, 10537), (6314, 10280), (7196, 9020), (7216, 8995)]