1320495200

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 3338786304

約数和(自身を除く): 2018291104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 127, 160, 164, 200, 205, 254, 317, 328, 400, 410, 508, 634, 635, 656, 800, 820, 1016, 1025, 1268, 1270, 1312, 1585, 1640, 2032, 2050, 2536, 2540, 3170, 3175, 3280, 4064, 4100, 5072, 5080, 5207, 6340, 6350, 6560, 7925, 8200, 10144, 10160, 10414, 12680, 12700, 12997, 15850, 16400, 20320, 20828, 25360, 25400, 25994, 26035, 31700, 32800, 40259, 41656, 50720, 50800, 51988, 52070, 63400, 64985, 80518, 83312, 101600, 103976, 104140, 126800, 129970, 130175, 161036, 166624, 201295, 207952, 208280, 253600, 259940, 260350, 322072, 324925, 402590, 415904, 416560, 519880, 520700, 644144, 649850, 805180, 833120, 1006475, 1039760, 1041400, 1288288, 1299700, 1610360, 1650619, 2012950, 2079520, 2082800, 2599400, 3220720, 3301238, 4025900, 4165600, 5198800, 6441440, 6602476, 8051800, 8253095, 10397600, 13204952, 16103600, 16506190, 26409904, 32207200, 33012380, 41265475, 52819808, 66024760, 82530950, 132049520, 165061900, 264099040, 330123800, 660247600, 1320495200]

約数ペア:

[(1, 1320495200), (2, 660247600), (4, 330123800), (5, 264099040), (8, 165061900), (10, 132049520), (16, 82530950), (20, 66024760), (25, 52819808), (32, 41265475), (40, 33012380), (41, 32207200), (50, 26409904), (80, 16506190), (82, 16103600), (100, 13204952), (127, 10397600), (160, 8253095), (164, 8051800), (200, 6602476), (205, 6441440), (254, 5198800), (317, 4165600), (328, 4025900), (400, 3301238), (410, 3220720), (508, 2599400), (634, 2082800), (635, 2079520), (656, 2012950), (800, 1650619), (820, 1610360), (1016, 1299700), (1025, 1288288), (1268, 1041400), (1270, 1039760), (1312, 1006475), (1585, 833120), (1640, 805180), (2032, 649850), (2050, 644144), (2536, 520700), (2540, 519880), (3170, 416560), (3175, 415904), (3280, 402590), (4064, 324925), (4100, 322072), (5072, 260350), (5080, 259940), (5207, 253600), (6340, 208280), (6350, 207952), (6560, 201295), (7925, 166624), (8200, 161036), (10144, 130175), (10160, 129970), (10414, 126800), (12680, 104140), (12700, 103976), (12997, 101600), (15850, 83312), (16400, 80518), (20320, 64985), (20828, 63400), (25360, 52070), (25400, 51988), (25994, 50800), (26035, 50720), (31700, 41656), (32800, 40259)]