320872968

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:756

約数の個数: 128

約数和(自身を含む): 966000000

約数和(自身を除く): 645127032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 229, 234, 312, 351, 458, 468, 499, 687, 702, 916, 936, 998, 1374, 1404, 1497, 1832, 1996, 2061, 2748, 2808, 2977, 2994, 3992, 4122, 4491, 5496, 5954, 5988, 6183, 6487, 8244, 8931, 8982, 11908, 11976, 12366, 12974, 13473, 16488, 17862, 17964, 19461, 23816, 24732, 25948, 26793, 26946, 35724, 35928, 38922, 49464, 51896, 53586, 53892, 58383, 71448, 77844, 80379, 107172, 107784, 114271, 116766, 155688, 160758, 175149, 214344, 228542, 233532, 321516, 342813, 350298, 457084, 467064, 643032, 685626, 700596, 914168, 1028439, 1371252, 1401192, 1485523, 2056878, 2742504, 2971046, 3085317, 4113756, 4456569, 5942092, 6170634, 8227512, 8913138, 11884184, 12341268, 13369707, 17826276, 24682536, 26739414, 35652552, 40109121, 53478828, 80218242, 106957656, 160436484, 320872968]

約数ペア:

[(1, 320872968), (2, 160436484), (3, 106957656), (4, 80218242), (6, 53478828), (8, 40109121), (9, 35652552), (12, 26739414), (13, 24682536), (18, 17826276), (24, 13369707), (26, 12341268), (27, 11884184), (36, 8913138), (39, 8227512), (52, 6170634), (54, 5942092), (72, 4456569), (78, 4113756), (104, 3085317), (108, 2971046), (117, 2742504), (156, 2056878), (216, 1485523), (229, 1401192), (234, 1371252), (312, 1028439), (351, 914168), (458, 700596), (468, 685626), (499, 643032), (687, 467064), (702, 457084), (916, 350298), (936, 342813), (998, 321516), (1374, 233532), (1404, 228542), (1497, 214344), (1832, 175149), (1996, 160758), (2061, 155688), (2748, 116766), (2808, 114271), (2977, 107784), (2994, 107172), (3992, 80379), (4122, 77844), (4491, 71448), (5496, 58383), (5954, 53892), (5988, 53586), (6183, 51896), (6487, 49464), (8244, 38922), (8931, 35928), (8982, 35724), (11908, 26946), (11976, 26793), (12366, 25948), (12974, 24732), (13473, 23816), (16488, 19461), (17862, 17964)]