1641490240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 168

約数和(自身を含む): 4283781120

約数和(自身を除く): 2642290880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 169, 208, 239, 254, 260, 320, 338, 416, 478, 508, 520, 635, 676, 832, 845, 956, 1016, 1040, 1195, 1270, 1352, 1651, 1690, 1912, 2032, 2080, 2390, 2540, 2704, 3107, 3302, 3380, 3824, 4064, 4160, 4780, 5080, 5408, 6214, 6604, 6760, 7648, 8128, 8255, 9560, 10160, 10816, 12428, 13208, 13520, 15296, 15535, 16510, 19120, 20320, 21463, 24856, 26416, 27040, 30353, 31070, 33020, 38240, 40391, 40640, 42926, 49712, 52832, 54080, 60706, 62140, 66040, 76480, 80782, 85852, 99424, 105664, 107315, 121412, 124280, 132080, 151765, 161564, 171704, 198848, 201955, 214630, 242824, 248560, 264160, 303530, 323128, 343408, 394589, 403910, 429260, 485648, 497120, 528320, 607060, 646256, 686816, 789178, 807820, 858520, 971296, 994240, 1214120, 1292512, 1373632, 1578356, 1615640, 1717040, 1942592, 1972945, 2428240, 2585024, 3156712, 3231280, 3434080, 3945890, 4856480, 5129657, 6313424, 6462560, 6868160, 7891780, 9712960, 10259314, 12626848, 12925120, 15783560, 20518628, 25253696, 25648285, 31567120, 41037256, 51296570, 63134240, 82074512, 102593140, 126268480, 164149024, 205186280, 328298048, 410372560, 820745120, 1641490240]

約数ペア:

[(1, 1641490240), (2, 820745120), (4, 410372560), (5, 328298048), (8, 205186280), (10, 164149024), (13, 126268480), (16, 102593140), (20, 82074512), (26, 63134240), (32, 51296570), (40, 41037256), (52, 31567120), (64, 25648285), (65, 25253696), (80, 20518628), (104, 15783560), (127, 12925120), (130, 12626848), (160, 10259314), (169, 9712960), (208, 7891780), (239, 6868160), (254, 6462560), (260, 6313424), (320, 5129657), (338, 4856480), (416, 3945890), (478, 3434080), (508, 3231280), (520, 3156712), (635, 2585024), (676, 2428240), (832, 1972945), (845, 1942592), (956, 1717040), (1016, 1615640), (1040, 1578356), (1195, 1373632), (1270, 1292512), (1352, 1214120), (1651, 994240), (1690, 971296), (1912, 858520), (2032, 807820), (2080, 789178), (2390, 686816), (2540, 646256), (2704, 607060), (3107, 528320), (3302, 497120), (3380, 485648), (3824, 429260), (4064, 403910), (4160, 394589), (4780, 343408), (5080, 323128), (5408, 303530), (6214, 264160), (6604, 248560), (6760, 242824), (7648, 214630), (8128, 201955), (8255, 198848), (9560, 171704), (10160, 161564), (10816, 151765), (12428, 132080), (13208, 124280), (13520, 121412), (15296, 107315), (15535, 105664), (16510, 99424), (19120, 85852), (20320, 80782), (21463, 76480), (24856, 66040), (26416, 62140), (27040, 60706), (30353, 54080), (31070, 52832), (33020, 49712), (38240, 42926), (40391, 40640)]