261802880000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3388

約数の個数: 220

約数和(自身を含む): 659332346112

約数和(自身を除く): 397529466112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 200, 250, 254, 256, 320, 400, 500, 508, 512, 625, 635, 640, 800, 1000, 1016, 1024, 1250, 1270, 1280, 1600, 2000, 2032, 2500, 2540, 2560, 3175, 3200, 3221, 4000, 4064, 5000, 5080, 5120, 6350, 6400, 6442, 8000, 8128, 10000, 10160, 12700, 12800, 12884, 15875, 16000, 16105, 16256, 20000, 20320, 25400, 25600, 25768, 31750, 32000, 32210, 32512, 40000, 40640, 50800, 51536, 63500, 64000, 64420, 65024, 79375, 80000, 80525, 81280, 101600, 103072, 127000, 128000, 128840, 130048, 158750, 160000, 161050, 162560, 203200, 206144, 254000, 257680, 317500, 320000, 322100, 325120, 402625, 406400, 409067, 412288, 508000, 515360, 635000, 640000, 644200, 650240, 805250, 812800, 818134, 824576, 1016000, 1030720, 1270000, 1288400, 1610500, 1625600, 1636268, 1649152, 2013125, 2032000, 2045335, 2061440, 2540000, 2576800, 3221000, 3251200, 3272536, 3298304, 4026250, 4064000, 4090670, 4122880, 5080000, 5153600, 6442000, 6545072, 8052500, 8128000, 8181340, 8245760, 10160000, 10226675, 10307200, 12884000, 13090144, 16105000, 16256000, 16362680, 16491520, 20320000, 20453350, 20614400, 25768000, 26180288, 32210000, 32725360, 40640000, 40906700, 41228800, 51133375, 51536000, 52360576, 64420000, 65450720, 81280000, 81813400, 82457600, 102266750, 103072000, 104721152, 128840000, 130901440, 163626800, 204533500, 206144000, 209442304, 255666875, 257680000, 261802880, 327253600, 409067000, 412288000, 418884608, 511333750, 515360000, 523605760, 654507200, 818134000, 1022667500, 1030720000, 1047211520, 1309014400, 1636268000, 2045335000, 2061440000, 2094423040, 2618028800, 3272536000, 4090670000, 5236057600, 6545072000, 8181340000, 10472115200, 13090144000, 16362680000, 26180288000, 32725360000, 52360576000, 65450720000, 130901440000, 261802880000]

約数ペア:

[(1, 261802880000), (2, 130901440000), (4, 65450720000), (5, 52360576000), (8, 32725360000), (10, 26180288000), (16, 16362680000), (20, 13090144000), (25, 10472115200), (32, 8181340000), (40, 6545072000), (50, 5236057600), (64, 4090670000), (80, 3272536000), (100, 2618028800), (125, 2094423040), (127, 2061440000), (128, 2045335000), (160, 1636268000), (200, 1309014400), (250, 1047211520), (254, 1030720000), (256, 1022667500), (320, 818134000), (400, 654507200), (500, 523605760), (508, 515360000), (512, 511333750), (625, 418884608), (635, 412288000), (640, 409067000), (800, 327253600), (1000, 261802880), (1016, 257680000), (1024, 255666875), (1250, 209442304), (1270, 206144000), (1280, 204533500), (1600, 163626800), (2000, 130901440), (2032, 128840000), (2500, 104721152), (2540, 103072000), (2560, 102266750), (3175, 82457600), (3200, 81813400), (3221, 81280000), (4000, 65450720), (4064, 64420000), (5000, 52360576), (5080, 51536000), (5120, 51133375), (6350, 41228800), (6400, 40906700), (6442, 40640000), (8000, 32725360), (8128, 32210000), (10000, 26180288), (10160, 25768000), (12700, 20614400), (12800, 20453350), (12884, 20320000), (15875, 16491520), (16000, 16362680), (16105, 16256000), (16256, 16105000), (20000, 13090144), (20320, 12884000), (25400, 10307200), (25600, 10226675), (25768, 10160000), (31750, 8245760), (32000, 8181340), (32210, 8128000), (32512, 8052500), (40000, 6545072), (40640, 6442000), (50800, 5153600), (51536, 5080000), (63500, 4122880), (64000, 4090670), (64420, 4064000), (65024, 4026250), (79375, 3298304), (80000, 3272536), (80525, 3251200), (81280, 3221000), (101600, 2576800), (103072, 2540000), (127000, 2061440), (128000, 2045335), (128840, 2032000), (130048, 2013125), (158750, 1649152), (160000, 1636268), (161050, 1625600), (162560, 1610500), (203200, 1288400), (206144, 1270000), (254000, 1030720), (257680, 1016000), (317500, 824576), (320000, 818134), (322100, 812800), (325120, 805250), (402625, 650240), (406400, 644200), (409067, 640000), (412288, 635000), (508000, 515360)]