64739688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 187353600

約数和(自身を除く): 122613912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 67, 76, 78, 104, 114, 134, 152, 156, 163, 201, 228, 247, 268, 312, 326, 402, 456, 489, 494, 536, 652, 741, 804, 871, 978, 988, 1273, 1304, 1482, 1608, 1742, 1956, 1976, 2119, 2546, 2613, 2964, 3097, 3484, 3819, 3912, 4238, 5092, 5226, 5928, 6194, 6357, 6968, 7638, 8476, 9291, 10184, 10452, 10921, 12388, 12714, 15276, 16549, 16952, 18582, 20904, 21842, 24776, 25428, 30552, 32763, 33098, 37164, 40261, 43684, 49647, 50856, 65526, 66196, 74328, 80522, 87368, 99294, 120783, 131052, 132392, 141973, 161044, 198588, 207499, 241566, 262104, 283946, 322088, 397176, 414998, 425919, 483132, 567892, 622497, 829996, 851838, 966264, 1135784, 1244994, 1659992, 1703676, 2489988, 2697487, 3407352, 4979976, 5394974, 8092461, 10789948, 16184922, 21579896, 32369844, 64739688]

約数ペア:

[(1, 64739688), (2, 32369844), (3, 21579896), (4, 16184922), (6, 10789948), (8, 8092461), (12, 5394974), (13, 4979976), (19, 3407352), (24, 2697487), (26, 2489988), (38, 1703676), (39, 1659992), (52, 1244994), (57, 1135784), (67, 966264), (76, 851838), (78, 829996), (104, 622497), (114, 567892), (134, 483132), (152, 425919), (156, 414998), (163, 397176), (201, 322088), (228, 283946), (247, 262104), (268, 241566), (312, 207499), (326, 198588), (402, 161044), (456, 141973), (489, 132392), (494, 131052), (536, 120783), (652, 99294), (741, 87368), (804, 80522), (871, 74328), (978, 66196), (988, 65526), (1273, 50856), (1304, 49647), (1482, 43684), (1608, 40261), (1742, 37164), (1956, 33098), (1976, 32763), (2119, 30552), (2546, 25428), (2613, 24776), (2964, 21842), (3097, 20904), (3484, 18582), (3819, 16952), (3912, 16549), (4238, 15276), (5092, 12714), (5226, 12388), (5928, 10921), (6194, 10452), (6357, 10184), (6968, 9291), (7638, 8476)]