67213728

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 203636160

約数和(自身を除く): 136422432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 73, 92, 96, 138, 139, 144, 146, 184, 207, 219, 276, 278, 288, 292, 368, 414, 417, 438, 552, 556, 584, 657, 736, 828, 834, 876, 1104, 1112, 1168, 1251, 1314, 1656, 1668, 1679, 1752, 2208, 2224, 2336, 2502, 2628, 3197, 3312, 3336, 3358, 3504, 4448, 5004, 5037, 5256, 6394, 6624, 6672, 6716, 7008, 9591, 10008, 10074, 10147, 10512, 12788, 13344, 13432, 15111, 19182, 20016, 20148, 20294, 21024, 25576, 26864, 28773, 30222, 30441, 38364, 40032, 40296, 40588, 51152, 53728, 57546, 60444, 60882, 76728, 80592, 81176, 91323, 102304, 115092, 120888, 121764, 153456, 161184, 162352, 182646, 230184, 233381, 241776, 243528, 306912, 324704, 365292, 460368, 466762, 483552, 487056, 700143, 730584, 920736, 933524, 974112, 1400286, 1461168, 1867048, 2100429, 2800572, 2922336, 3734096, 4200858, 5601144, 7468192, 8401716, 11202288, 16803432, 22404576, 33606864, 67213728]

約数ペア:

[(1, 67213728), (2, 33606864), (3, 22404576), (4, 16803432), (6, 11202288), (8, 8401716), (9, 7468192), (12, 5601144), (16, 4200858), (18, 3734096), (23, 2922336), (24, 2800572), (32, 2100429), (36, 1867048), (46, 1461168), (48, 1400286), (69, 974112), (72, 933524), (73, 920736), (92, 730584), (96, 700143), (138, 487056), (139, 483552), (144, 466762), (146, 460368), (184, 365292), (207, 324704), (219, 306912), (276, 243528), (278, 241776), (288, 233381), (292, 230184), (368, 182646), (414, 162352), (417, 161184), (438, 153456), (552, 121764), (556, 120888), (584, 115092), (657, 102304), (736, 91323), (828, 81176), (834, 80592), (876, 76728), (1104, 60882), (1112, 60444), (1168, 57546), (1251, 53728), (1314, 51152), (1656, 40588), (1668, 40296), (1679, 40032), (1752, 38364), (2208, 30441), (2224, 30222), (2336, 28773), (2502, 26864), (2628, 25576), (3197, 21024), (3312, 20294), (3336, 20148), (3358, 20016), (3504, 19182), (4448, 15111), (5004, 13432), (5037, 13344), (5256, 12788), (6394, 10512), (6624, 10147), (6672, 10074), (6716, 10008), (7008, 9591)]