127616256

素因数分解:

$2^8\times 3^3\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 388360000

約数和(自身を除く): 260743744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 256, 288, 296, 333, 384, 432, 444, 499, 576, 592, 666, 768, 864, 888, 998, 999, 1152, 1184, 1332, 1497, 1728, 1776, 1996, 1998, 2304, 2368, 2664, 2994, 3456, 3552, 3992, 3996, 4491, 4736, 5328, 5988, 6912, 7104, 7984, 7992, 8982, 9472, 10656, 11976, 13473, 14208, 15968, 15984, 17964, 18463, 21312, 23952, 26946, 28416, 31936, 31968, 35928, 36926, 42624, 47904, 53892, 55389, 63872, 63936, 71856, 73852, 85248, 95808, 107784, 110778, 127744, 127872, 143712, 147704, 166167, 191616, 215568, 221556, 255744, 287424, 295408, 332334, 383232, 431136, 443112, 498501, 574848, 590816, 664668, 862272, 886224, 997002, 1149696, 1181632, 1329336, 1724544, 1772448, 1994004, 2363264, 2658672, 3449088, 3544896, 3988008, 4726528, 5317344, 7089792, 7976016, 10634688, 14179584, 15952032, 21269376, 31904064, 42538752, 63808128, 127616256]

約数ペア:

[(1, 127616256), (2, 63808128), (3, 42538752), (4, 31904064), (6, 21269376), (8, 15952032), (9, 14179584), (12, 10634688), (16, 7976016), (18, 7089792), (24, 5317344), (27, 4726528), (32, 3988008), (36, 3544896), (37, 3449088), (48, 2658672), (54, 2363264), (64, 1994004), (72, 1772448), (74, 1724544), (96, 1329336), (108, 1181632), (111, 1149696), (128, 997002), (144, 886224), (148, 862272), (192, 664668), (216, 590816), (222, 574848), (256, 498501), (288, 443112), (296, 431136), (333, 383232), (384, 332334), (432, 295408), (444, 287424), (499, 255744), (576, 221556), (592, 215568), (666, 191616), (768, 166167), (864, 147704), (888, 143712), (998, 127872), (999, 127744), (1152, 110778), (1184, 107784), (1332, 95808), (1497, 85248), (1728, 73852), (1776, 71856), (1996, 63936), (1998, 63872), (2304, 55389), (2368, 53892), (2664, 47904), (2994, 42624), (3456, 36926), (3552, 35928), (3992, 31968), (3996, 31936), (4491, 28416), (4736, 26946), (5328, 23952), (5988, 21312), (6912, 18463), (7104, 17964), (7984, 15984), (7992, 15968), (8982, 14208), (9472, 13473), (10656, 11976)]