90720448

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 112

約数和(自身を含む): 228096064

約数和(自身を除く): 137375616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 64, 74, 91, 104, 112, 148, 182, 208, 224, 259, 296, 364, 416, 421, 448, 481, 518, 592, 728, 832, 842, 962, 1036, 1184, 1456, 1684, 1924, 2072, 2368, 2912, 2947, 3367, 3368, 3848, 4144, 5473, 5824, 5894, 6734, 6736, 7696, 8288, 10946, 11788, 13468, 13472, 15392, 15577, 16576, 21892, 23576, 26936, 26944, 30784, 31154, 38311, 43784, 47152, 53872, 62308, 76622, 87568, 94304, 107744, 109039, 124616, 153244, 175136, 188608, 202501, 215488, 218078, 249232, 306488, 350272, 405002, 436156, 498464, 612976, 810004, 872312, 996928, 1225952, 1417507, 1620008, 1744624, 2451904, 2835014, 3240016, 3489248, 5670028, 6480032, 6978496, 11340056, 12960064, 22680112, 45360224, 90720448]

約数ペア:

[(1, 90720448), (2, 45360224), (4, 22680112), (7, 12960064), (8, 11340056), (13, 6978496), (14, 6480032), (16, 5670028), (26, 3489248), (28, 3240016), (32, 2835014), (37, 2451904), (52, 1744624), (56, 1620008), (64, 1417507), (74, 1225952), (91, 996928), (104, 872312), (112, 810004), (148, 612976), (182, 498464), (208, 436156), (224, 405002), (259, 350272), (296, 306488), (364, 249232), (416, 218078), (421, 215488), (448, 202501), (481, 188608), (518, 175136), (592, 153244), (728, 124616), (832, 109039), (842, 107744), (962, 94304), (1036, 87568), (1184, 76622), (1456, 62308), (1684, 53872), (1924, 47152), (2072, 43784), (2368, 38311), (2912, 31154), (2947, 30784), (3367, 26944), (3368, 26936), (3848, 23576), (4144, 21892), (5473, 16576), (5824, 15577), (5894, 15392), (6734, 13472), (6736, 13468), (7696, 11788), (8288, 10946)]