81292032

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 253456000

約数和(自身を除く): 172163968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 384, 432, 456, 513, 576, 608, 619, 684, 768, 864, 912, 1026, 1152, 1216, 1238, 1368, 1728, 1824, 1857, 2052, 2304, 2432, 2476, 2736, 3456, 3648, 3714, 4104, 4864, 4952, 5472, 5571, 6912, 7296, 7428, 8208, 9904, 10944, 11142, 11761, 14592, 14856, 16416, 16713, 19808, 21888, 22284, 23522, 29712, 32832, 33426, 35283, 39616, 43776, 44568, 47044, 59424, 65664, 66852, 70566, 79232, 89136, 94088, 105849, 118848, 131328, 133704, 141132, 158464, 178272, 188176, 211698, 237696, 267408, 282264, 317547, 356544, 376352, 423396, 475392, 534816, 564528, 635094, 713088, 752704, 846792, 1069632, 1129056, 1270188, 1426176, 1505408, 1693584, 2139264, 2258112, 2540376, 3010816, 3387168, 4278528, 4516224, 5080752, 6774336, 9032448, 10161504, 13548672, 20323008, 27097344, 40646016, 81292032]

約数ペア:

[(1, 81292032), (2, 40646016), (3, 27097344), (4, 20323008), (6, 13548672), (8, 10161504), (9, 9032448), (12, 6774336), (16, 5080752), (18, 4516224), (19, 4278528), (24, 3387168), (27, 3010816), (32, 2540376), (36, 2258112), (38, 2139264), (48, 1693584), (54, 1505408), (57, 1426176), (64, 1270188), (72, 1129056), (76, 1069632), (96, 846792), (108, 752704), (114, 713088), (128, 635094), (144, 564528), (152, 534816), (171, 475392), (192, 423396), (216, 376352), (228, 356544), (256, 317547), (288, 282264), (304, 267408), (342, 237696), (384, 211698), (432, 188176), (456, 178272), (513, 158464), (576, 141132), (608, 133704), (619, 131328), (684, 118848), (768, 105849), (864, 94088), (912, 89136), (1026, 79232), (1152, 70566), (1216, 66852), (1238, 65664), (1368, 59424), (1728, 47044), (1824, 44568), (1857, 43776), (2052, 39616), (2304, 35283), (2432, 33426), (2476, 32832), (2736, 29712), (3456, 23522), (3648, 22284), (3714, 21888), (4104, 19808), (4864, 16713), (4952, 16416), (5472, 14856), (5571, 14592), (6912, 11761), (7296, 11142), (7428, 10944), (8208, 9904)]