128265228

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 192

約数和(自身を含む): 423485440

約数和(自身を除く): 295220212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 31, 36, 39, 42, 52, 54, 62, 63, 78, 84, 91, 93, 108, 117, 124, 126, 156, 182, 186, 189, 217, 234, 252, 273, 279, 351, 364, 372, 378, 403, 421, 434, 468, 546, 558, 651, 702, 756, 806, 819, 837, 842, 868, 1092, 1116, 1209, 1263, 1302, 1404, 1612, 1638, 1674, 1684, 1953, 2418, 2457, 2526, 2604, 2821, 2947, 3276, 3348, 3627, 3789, 3906, 4836, 4914, 5052, 5473, 5642, 5859, 5894, 7254, 7578, 7812, 8463, 8841, 9828, 10881, 10946, 11284, 11367, 11718, 11788, 13051, 14508, 15156, 16419, 16926, 17682, 21762, 21892, 22734, 23436, 25389, 26102, 26523, 32838, 33852, 35364, 38311, 39153, 43524, 45468, 49257, 50778, 52204, 53046, 65676, 76167, 76622, 78306, 79569, 91357, 98514, 101556, 106092, 114933, 117459, 147771, 152334, 153244, 156612, 159138, 169663, 182714, 197028, 229866, 234918, 274071, 295542, 304668, 318276, 339326, 344799, 352377, 365428, 459732, 469836, 508989, 548142, 591084, 678652, 689598, 704754, 822213, 1017978, 1034397, 1096284, 1187641, 1379196, 1409508, 1526967, 1644426, 2035956, 2068794, 2375282, 2466639, 3053934, 3288852, 3562923, 4137588, 4580901, 4750564, 4933278, 6107868, 7125846, 9161802, 9866556, 10688769, 14251692, 18323604, 21377538, 32066307, 42755076, 64132614, 128265228]

約数ペア:

[(1, 128265228), (2, 64132614), (3, 42755076), (4, 32066307), (6, 21377538), (7, 18323604), (9, 14251692), (12, 10688769), (13, 9866556), (14, 9161802), (18, 7125846), (21, 6107868), (26, 4933278), (27, 4750564), (28, 4580901), (31, 4137588), (36, 3562923), (39, 3288852), (42, 3053934), (52, 2466639), (54, 2375282), (62, 2068794), (63, 2035956), (78, 1644426), (84, 1526967), (91, 1409508), (93, 1379196), (108, 1187641), (117, 1096284), (124, 1034397), (126, 1017978), (156, 822213), (182, 704754), (186, 689598), (189, 678652), (217, 591084), (234, 548142), (252, 508989), (273, 469836), (279, 459732), (351, 365428), (364, 352377), (372, 344799), (378, 339326), (403, 318276), (421, 304668), (434, 295542), (468, 274071), (546, 234918), (558, 229866), (651, 197028), (702, 182714), (756, 169663), (806, 159138), (819, 156612), (837, 153244), (842, 152334), (868, 147771), (1092, 117459), (1116, 114933), (1209, 106092), (1263, 101556), (1302, 98514), (1404, 91357), (1612, 79569), (1638, 78306), (1674, 76622), (1684, 76167), (1953, 65676), (2418, 53046), (2457, 52204), (2526, 50778), (2604, 49257), (2821, 45468), (2947, 43524), (3276, 39153), (3348, 38311), (3627, 35364), (3789, 33852), (3906, 32838), (4836, 26523), (4914, 26102), (5052, 25389), (5473, 23436), (5642, 22734), (5859, 21892), (5894, 21762), (7254, 17682), (7578, 16926), (7812, 16419), (8463, 15156), (8841, 14508), (9828, 13051), (10881, 11788), (10946, 11718), (11284, 11367)]