1278437600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 216

約数和(自身を含む): 3515962464

約数和(自身を除く): 2237524864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 47, 50, 55, 80, 88, 94, 100, 110, 121, 160, 176, 188, 200, 220, 235, 242, 275, 281, 352, 376, 400, 440, 470, 484, 517, 550, 562, 605, 752, 800, 880, 940, 968, 1034, 1100, 1124, 1175, 1210, 1405, 1504, 1760, 1880, 1936, 2068, 2200, 2248, 2350, 2420, 2585, 2810, 3025, 3091, 3760, 3872, 4136, 4400, 4496, 4700, 4840, 5170, 5620, 5687, 6050, 6182, 7025, 7520, 8272, 8800, 8992, 9400, 9680, 10340, 11240, 11374, 12100, 12364, 12925, 13207, 14050, 15455, 16544, 18800, 19360, 20680, 22480, 22748, 24200, 24728, 25850, 26414, 28100, 28435, 30910, 34001, 37600, 41360, 44960, 45496, 48400, 49456, 51700, 52828, 56200, 56870, 61820, 66035, 68002, 77275, 82720, 90992, 96800, 98912, 103400, 105656, 112400, 113740, 123640, 132070, 136004, 142175, 145277, 154550, 170005, 181984, 206800, 211312, 224800, 227480, 247280, 264140, 272008, 284350, 290554, 309100, 330175, 340010, 413600, 422624, 454960, 494560, 528280, 544016, 568700, 581108, 618200, 660350, 680020, 726385, 850025, 909920, 1056560, 1088032, 1137400, 1162216, 1236400, 1320700, 1360040, 1452770, 1598047, 1700050, 2113120, 2274800, 2324432, 2472800, 2641400, 2720080, 2905540, 3196094, 3400100, 3631925, 4549600, 4648864, 5282800, 5440160, 5811080, 6392188, 6800200, 7263850, 7990235, 10565600, 11622160, 12784376, 13600400, 14527700, 15980470, 23244320, 25568752, 27200800, 29055400, 31960940, 39951175, 51137504, 58110800, 63921880, 79902350, 116221600, 127843760, 159804700, 255687520, 319609400, 639218800, 1278437600]

約数ペア:

[(1, 1278437600), (2, 639218800), (4, 319609400), (5, 255687520), (8, 159804700), (10, 127843760), (11, 116221600), (16, 79902350), (20, 63921880), (22, 58110800), (25, 51137504), (32, 39951175), (40, 31960940), (44, 29055400), (47, 27200800), (50, 25568752), (55, 23244320), (80, 15980470), (88, 14527700), (94, 13600400), (100, 12784376), (110, 11622160), (121, 10565600), (160, 7990235), (176, 7263850), (188, 6800200), (200, 6392188), (220, 5811080), (235, 5440160), (242, 5282800), (275, 4648864), (281, 4549600), (352, 3631925), (376, 3400100), (400, 3196094), (440, 2905540), (470, 2720080), (484, 2641400), (517, 2472800), (550, 2324432), (562, 2274800), (605, 2113120), (752, 1700050), (800, 1598047), (880, 1452770), (940, 1360040), (968, 1320700), (1034, 1236400), (1100, 1162216), (1124, 1137400), (1175, 1088032), (1210, 1056560), (1405, 909920), (1504, 850025), (1760, 726385), (1880, 680020), (1936, 660350), (2068, 618200), (2200, 581108), (2248, 568700), (2350, 544016), (2420, 528280), (2585, 494560), (2810, 454960), (3025, 422624), (3091, 413600), (3760, 340010), (3872, 330175), (4136, 309100), (4400, 290554), (4496, 284350), (4700, 272008), (4840, 264140), (5170, 247280), (5620, 227480), (5687, 224800), (6050, 211312), (6182, 206800), (7025, 181984), (7520, 170005), (8272, 154550), (8800, 145277), (8992, 142175), (9400, 136004), (9680, 132070), (10340, 123640), (11240, 113740), (11374, 112400), (12100, 105656), (12364, 103400), (12925, 98912), (13207, 96800), (14050, 90992), (15455, 82720), (16544, 77275), (18800, 68002), (19360, 66035), (20680, 61820), (22480, 56870), (22748, 56200), (24200, 52828), (24728, 51700), (25850, 49456), (26414, 48400), (28100, 45496), (28435, 44960), (30910, 41360), (34001, 37600)]