131814400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 132

約数和(自身を含む): 345206080

約数和(自身を除く): 213391680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 271, 304, 320, 380, 400, 475, 512, 542, 608, 640, 760, 800, 950, 1024, 1084, 1216, 1280, 1355, 1520, 1600, 1900, 2168, 2432, 2560, 2710, 3040, 3200, 3800, 4336, 4864, 5120, 5149, 5420, 6080, 6400, 6775, 7600, 8672, 9728, 10298, 10840, 12160, 12800, 13550, 15200, 17344, 19456, 20596, 21680, 24320, 25600, 25745, 27100, 30400, 34688, 41192, 43360, 48640, 51490, 54200, 60800, 69376, 82384, 86720, 97280, 102980, 108400, 121600, 128725, 138752, 164768, 173440, 205960, 216800, 243200, 257450, 277504, 329536, 346880, 411920, 433600, 486400, 514900, 659072, 693760, 823840, 867200, 1029800, 1318144, 1387520, 1647680, 1734400, 2059600, 2636288, 3295360, 3468800, 4119200, 5272576, 6590720, 6937600, 8238400, 13181440, 16476800, 26362880, 32953600, 65907200, 131814400]

約数ペア:

[(1, 131814400), (2, 65907200), (4, 32953600), (5, 26362880), (8, 16476800), (10, 13181440), (16, 8238400), (19, 6937600), (20, 6590720), (25, 5272576), (32, 4119200), (38, 3468800), (40, 3295360), (50, 2636288), (64, 2059600), (76, 1734400), (80, 1647680), (95, 1387520), (100, 1318144), (128, 1029800), (152, 867200), (160, 823840), (190, 693760), (200, 659072), (256, 514900), (271, 486400), (304, 433600), (320, 411920), (380, 346880), (400, 329536), (475, 277504), (512, 257450), (542, 243200), (608, 216800), (640, 205960), (760, 173440), (800, 164768), (950, 138752), (1024, 128725), (1084, 121600), (1216, 108400), (1280, 102980), (1355, 97280), (1520, 86720), (1600, 82384), (1900, 69376), (2168, 60800), (2432, 54200), (2560, 51490), (2710, 48640), (3040, 43360), (3200, 41192), (3800, 34688), (4336, 30400), (4864, 27100), (5120, 25745), (5149, 25600), (5420, 24320), (6080, 21680), (6400, 20596), (6775, 19456), (7600, 17344), (8672, 15200), (9728, 13550), (10298, 12800), (10840, 12160)]