255645456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1557

約数の個数: 160

約数和(自身を含む): 803520000

約数和(自身を除く): 547874544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 19, 22, 24, 33, 34, 38, 44, 48, 51, 57, 66, 68, 76, 88, 102, 114, 132, 136, 152, 176, 187, 204, 209, 228, 264, 272, 304, 323, 374, 408, 418, 456, 528, 561, 627, 646, 748, 816, 836, 912, 969, 1122, 1254, 1292, 1496, 1499, 1672, 1938, 2244, 2508, 2584, 2992, 2998, 3344, 3553, 3876, 4488, 4497, 5016, 5168, 5996, 7106, 7752, 8976, 8994, 10032, 10659, 11992, 14212, 15504, 16489, 17988, 21318, 23984, 25483, 28424, 28481, 32978, 35976, 42636, 49467, 50966, 56848, 56962, 65956, 71952, 76449, 85272, 85443, 98934, 101932, 113924, 131912, 152898, 170544, 170886, 197868, 203864, 227848, 263824, 280313, 305796, 313291, 341772, 395736, 407728, 455696, 484177, 560626, 611592, 626582, 683544, 791472, 840939, 939873, 968354, 1121252, 1223184, 1253164, 1367088, 1452531, 1681878, 1879746, 1936708, 2242504, 2506328, 2905062, 3363756, 3759492, 3873416, 4485008, 5012656, 5325947, 5810124, 6727512, 7518984, 7746832, 10651894, 11620248, 13455024, 15037968, 15977841, 21303788, 23240496, 31955682, 42607576, 63911364, 85215152, 127822728, 255645456]

約数ペア:

[(1, 255645456), (2, 127822728), (3, 85215152), (4, 63911364), (6, 42607576), (8, 31955682), (11, 23240496), (12, 21303788), (16, 15977841), (17, 15037968), (19, 13455024), (22, 11620248), (24, 10651894), (33, 7746832), (34, 7518984), (38, 6727512), (44, 5810124), (48, 5325947), (51, 5012656), (57, 4485008), (66, 3873416), (68, 3759492), (76, 3363756), (88, 2905062), (102, 2506328), (114, 2242504), (132, 1936708), (136, 1879746), (152, 1681878), (176, 1452531), (187, 1367088), (204, 1253164), (209, 1223184), (228, 1121252), (264, 968354), (272, 939873), (304, 840939), (323, 791472), (374, 683544), (408, 626582), (418, 611592), (456, 560626), (528, 484177), (561, 455696), (627, 407728), (646, 395736), (748, 341772), (816, 313291), (836, 305796), (912, 280313), (969, 263824), (1122, 227848), (1254, 203864), (1292, 197868), (1496, 170886), (1499, 170544), (1672, 152898), (1938, 131912), (2244, 113924), (2508, 101932), (2584, 98934), (2992, 85443), (2998, 85272), (3344, 76449), (3553, 71952), (3876, 65956), (4488, 56962), (4497, 56848), (5016, 50966), (5168, 49467), (5996, 42636), (7106, 35976), (7752, 32978), (8976, 28481), (8994, 28424), (10032, 25483), (10659, 23984), (11992, 21318), (14212, 17988), (15504, 16489)]