131461120

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 156

約数和(自身を含む): 369774504

約数和(自身を除く): 238313384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 131, 140, 160, 196, 224, 245, 256, 262, 280, 320, 392, 448, 490, 512, 524, 560, 640, 655, 784, 896, 917, 980, 1024, 1048, 1120, 1280, 1310, 1568, 1792, 1834, 1960, 2048, 2096, 2240, 2560, 2620, 3136, 3584, 3668, 3920, 4096, 4192, 4480, 4585, 5120, 5240, 6272, 6419, 7168, 7336, 7840, 8384, 8960, 9170, 10240, 10480, 12544, 12838, 14336, 14672, 15680, 16768, 17920, 18340, 20480, 20960, 25088, 25676, 28672, 29344, 31360, 32095, 33536, 35840, 36680, 41920, 50176, 51352, 58688, 62720, 64190, 67072, 71680, 73360, 83840, 100352, 102704, 117376, 125440, 128380, 134144, 143360, 146720, 167680, 200704, 205408, 234752, 250880, 256760, 268288, 293440, 335360, 410816, 469504, 501760, 513520, 536576, 586880, 670720, 821632, 939008, 1003520, 1027040, 1173760, 1341440, 1643264, 1878016, 2054080, 2347520, 2682880, 3286528, 3756032, 4108160, 4695040, 6573056, 8216320, 9390080, 13146112, 16432640, 18780160, 26292224, 32865280, 65730560, 131461120]

約数ペア:

[(1, 131461120), (2, 65730560), (4, 32865280), (5, 26292224), (7, 18780160), (8, 16432640), (10, 13146112), (14, 9390080), (16, 8216320), (20, 6573056), (28, 4695040), (32, 4108160), (35, 3756032), (40, 3286528), (49, 2682880), (56, 2347520), (64, 2054080), (70, 1878016), (80, 1643264), (98, 1341440), (112, 1173760), (128, 1027040), (131, 1003520), (140, 939008), (160, 821632), (196, 670720), (224, 586880), (245, 536576), (256, 513520), (262, 501760), (280, 469504), (320, 410816), (392, 335360), (448, 293440), (490, 268288), (512, 256760), (524, 250880), (560, 234752), (640, 205408), (655, 200704), (784, 167680), (896, 146720), (917, 143360), (980, 134144), (1024, 128380), (1048, 125440), (1120, 117376), (1280, 102704), (1310, 100352), (1568, 83840), (1792, 73360), (1834, 71680), (1960, 67072), (2048, 64190), (2096, 62720), (2240, 58688), (2560, 51352), (2620, 50176), (3136, 41920), (3584, 36680), (3668, 35840), (3920, 33536), (4096, 32095), (4192, 31360), (4480, 29344), (4585, 28672), (5120, 25676), (5240, 25088), (6272, 20960), (6419, 20480), (7168, 18340), (7336, 17920), (7840, 16768), (8384, 15680), (8960, 14672), (9170, 14336), (10240, 12838), (10480, 12544)]