8266720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 24935904

約数和(自身を除く): 16669184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 110, 112, 121, 122, 140, 154, 160, 176, 220, 224, 242, 244, 280, 305, 308, 352, 385, 427, 440, 484, 488, 560, 605, 610, 616, 671, 770, 847, 854, 880, 968, 976, 1120, 1210, 1220, 1232, 1342, 1540, 1694, 1708, 1760, 1936, 1952, 2135, 2420, 2440, 2464, 2684, 3080, 3355, 3388, 3416, 3872, 4235, 4270, 4697, 4840, 4880, 5368, 6160, 6710, 6776, 6832, 7381, 8470, 8540, 9394, 9680, 9760, 10736, 12320, 13420, 13552, 13664, 14762, 16940, 17080, 18788, 19360, 21472, 23485, 26840, 27104, 29524, 33880, 34160, 36905, 37576, 46970, 51667, 53680, 59048, 67760, 68320, 73810, 75152, 93940, 103334, 107360, 118096, 135520, 147620, 150304, 187880, 206668, 236192, 258335, 295240, 375760, 413336, 516670, 590480, 751520, 826672, 1033340, 1180960, 1653344, 2066680, 4133360, 8266720]

約数ペア:

[(1, 8266720), (2, 4133360), (4, 2066680), (5, 1653344), (7, 1180960), (8, 1033340), (10, 826672), (11, 751520), (14, 590480), (16, 516670), (20, 413336), (22, 375760), (28, 295240), (32, 258335), (35, 236192), (40, 206668), (44, 187880), (55, 150304), (56, 147620), (61, 135520), (70, 118096), (77, 107360), (80, 103334), (88, 93940), (110, 75152), (112, 73810), (121, 68320), (122, 67760), (140, 59048), (154, 53680), (160, 51667), (176, 46970), (220, 37576), (224, 36905), (242, 34160), (244, 33880), (280, 29524), (305, 27104), (308, 26840), (352, 23485), (385, 21472), (427, 19360), (440, 18788), (484, 17080), (488, 16940), (560, 14762), (605, 13664), (610, 13552), (616, 13420), (671, 12320), (770, 10736), (847, 9760), (854, 9680), (880, 9394), (968, 8540), (976, 8470), (1120, 7381), (1210, 6832), (1220, 6776), (1232, 6710), (1342, 6160), (1540, 5368), (1694, 4880), (1708, 4840), (1760, 4697), (1936, 4270), (1952, 4235), (2135, 3872), (2420, 3416), (2440, 3388), (2464, 3355), (2684, 3080)]