256766304

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 737372160

約数和(自身を除く): 480605856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 76, 93, 96, 114, 124, 152, 186, 228, 239, 248, 304, 361, 372, 456, 478, 496, 589, 608, 717, 722, 744, 912, 956, 992, 1083, 1178, 1434, 1444, 1488, 1767, 1824, 1912, 2166, 2356, 2868, 2888, 2976, 3534, 3824, 4332, 4541, 4712, 5736, 5776, 7068, 7409, 7648, 8664, 9082, 9424, 11191, 11472, 11552, 13623, 14136, 14818, 17328, 18164, 18848, 22227, 22382, 22944, 27246, 28272, 29636, 33573, 34656, 36328, 44454, 44764, 54492, 56544, 59272, 67146, 72656, 86279, 88908, 89528, 108984, 118544, 134292, 140771, 145312, 172558, 177816, 179056, 217968, 237088, 258837, 268584, 281542, 345116, 355632, 358112, 422313, 435936, 517674, 537168, 563084, 690232, 711264, 844626, 1035348, 1074336, 1126168, 1380464, 1689252, 2070696, 2252336, 2674649, 2760928, 3378504, 4141392, 4504672, 5349298, 6757008, 8023947, 8282784, 10698596, 13514016, 16047894, 21397192, 32095788, 42794384, 64191576, 85588768, 128383152, 256766304]

約数ペア:

[(1, 256766304), (2, 128383152), (3, 85588768), (4, 64191576), (6, 42794384), (8, 32095788), (12, 21397192), (16, 16047894), (19, 13514016), (24, 10698596), (31, 8282784), (32, 8023947), (38, 6757008), (48, 5349298), (57, 4504672), (62, 4141392), (76, 3378504), (93, 2760928), (96, 2674649), (114, 2252336), (124, 2070696), (152, 1689252), (186, 1380464), (228, 1126168), (239, 1074336), (248, 1035348), (304, 844626), (361, 711264), (372, 690232), (456, 563084), (478, 537168), (496, 517674), (589, 435936), (608, 422313), (717, 358112), (722, 355632), (744, 345116), (912, 281542), (956, 268584), (992, 258837), (1083, 237088), (1178, 217968), (1434, 179056), (1444, 177816), (1488, 172558), (1767, 145312), (1824, 140771), (1912, 134292), (2166, 118544), (2356, 108984), (2868, 89528), (2888, 88908), (2976, 86279), (3534, 72656), (3824, 67146), (4332, 59272), (4541, 56544), (4712, 54492), (5736, 44764), (5776, 44454), (7068, 36328), (7409, 34656), (7648, 33573), (8664, 29636), (9082, 28272), (9424, 27246), (11191, 22944), (11472, 22382), (11552, 22227), (13623, 18848), (14136, 18164), (14818, 17328)]