18780160

素因数分解:

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

素因数の和:167

約数の個数: 104

約数和(自身を含む): 51898176

約数和(自身を除く): 33118016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 256, 262, 280, 320, 448, 512, 524, 560, 640, 655, 896, 917, 1024, 1048, 1120, 1280, 1310, 1792, 1834, 2048, 2096, 2240, 2560, 2620, 3584, 3668, 4096, 4192, 4480, 4585, 5120, 5240, 7168, 7336, 8384, 8960, 9170, 10240, 10480, 14336, 14672, 16768, 17920, 18340, 20480, 20960, 28672, 29344, 33536, 35840, 36680, 41920, 58688, 67072, 71680, 73360, 83840, 117376, 134144, 143360, 146720, 167680, 234752, 268288, 293440, 335360, 469504, 536576, 586880, 670720, 939008, 1173760, 1341440, 1878016, 2347520, 2682880, 3756032, 4695040, 9390080, 18780160]

約数ペア:

[(1, 18780160), (2, 9390080), (4, 4695040), (5, 3756032), (7, 2682880), (8, 2347520), (10, 1878016), (14, 1341440), (16, 1173760), (20, 939008), (28, 670720), (32, 586880), (35, 536576), (40, 469504), (56, 335360), (64, 293440), (70, 268288), (80, 234752), (112, 167680), (128, 146720), (131, 143360), (140, 134144), (160, 117376), (224, 83840), (256, 73360), (262, 71680), (280, 67072), (320, 58688), (448, 41920), (512, 36680), (524, 35840), (560, 33536), (640, 29344), (655, 28672), (896, 20960), (917, 20480), (1024, 18340), (1048, 17920), (1120, 16768), (1280, 14672), (1310, 14336), (1792, 10480), (1834, 10240), (2048, 9170), (2096, 8960), (2240, 8384), (2560, 7336), (2620, 7168), (3584, 5240), (3668, 5120), (4096, 4585), (4192, 4480)]