128748256

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 332035200

約数和(自身を除く): 203286944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 169, 179, 182, 208, 224, 247, 266, 304, 338, 358, 364, 416, 494, 532, 608, 676, 716, 728, 988, 1064, 1183, 1253, 1352, 1432, 1456, 1729, 1976, 2128, 2327, 2366, 2506, 2704, 2864, 2912, 3211, 3401, 3458, 3952, 4256, 4654, 4732, 5012, 5408, 5728, 6422, 6802, 6916, 7904, 9308, 9464, 10024, 12844, 13604, 13832, 16289, 18616, 18928, 20048, 22477, 23807, 25688, 27208, 27664, 30251, 32578, 37232, 37856, 40096, 44213, 44954, 47614, 51376, 54416, 55328, 60502, 65156, 74464, 88426, 89908, 95228, 102752, 108832, 121004, 130312, 176852, 179816, 190456, 211757, 242008, 260624, 309491, 353704, 359632, 380912, 423514, 484016, 521248, 574769, 618982, 707408, 719264, 761824, 847028, 968032, 1149538, 1237964, 1414816, 1694056, 2299076, 2475928, 3388112, 4023383, 4598152, 4951856, 6776224, 8046766, 9196304, 9903712, 16093532, 18392608, 32187064, 64374128, 128748256]

約数ペア:

[(1, 128748256), (2, 64374128), (4, 32187064), (7, 18392608), (8, 16093532), (13, 9903712), (14, 9196304), (16, 8046766), (19, 6776224), (26, 4951856), (28, 4598152), (32, 4023383), (38, 3388112), (52, 2475928), (56, 2299076), (76, 1694056), (91, 1414816), (104, 1237964), (112, 1149538), (133, 968032), (152, 847028), (169, 761824), (179, 719264), (182, 707408), (208, 618982), (224, 574769), (247, 521248), (266, 484016), (304, 423514), (338, 380912), (358, 359632), (364, 353704), (416, 309491), (494, 260624), (532, 242008), (608, 211757), (676, 190456), (716, 179816), (728, 176852), (988, 130312), (1064, 121004), (1183, 108832), (1253, 102752), (1352, 95228), (1432, 89908), (1456, 88426), (1729, 74464), (1976, 65156), (2128, 60502), (2327, 55328), (2366, 54416), (2506, 51376), (2704, 47614), (2864, 44954), (2912, 44213), (3211, 40096), (3401, 37856), (3458, 37232), (3952, 32578), (4256, 30251), (4654, 27664), (4732, 27208), (5012, 25688), (5408, 23807), (5728, 22477), (6422, 20048), (6802, 18928), (6916, 18616), (7904, 16289), (9308, 13832), (9464, 13604), (10024, 12844)]