139632640

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{487}}^1$

素因数の和:525

約数の個数: 112

約数和(自身を含む): 383755392

約数和(自身を除く): 244122752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 487, 512, 560, 640, 896, 974, 1024, 1120, 1280, 1792, 1948, 2048, 2240, 2435, 2560, 3409, 3584, 3896, 4096, 4480, 4870, 5120, 6818, 7168, 7792, 8192, 8960, 9740, 10240, 13636, 14336, 15584, 17045, 17920, 19480, 20480, 27272, 28672, 31168, 34090, 35840, 38960, 40960, 54544, 57344, 62336, 68180, 71680, 77920, 109088, 124672, 136360, 143360, 155840, 218176, 249344, 272720, 286720, 311680, 436352, 498688, 545440, 623360, 872704, 997376, 1090880, 1246720, 1745408, 1994752, 2181760, 2493440, 3490816, 3989504, 4363520, 4986880, 6981632, 8727040, 9973760, 13963264, 17454080, 19947520, 27926528, 34908160, 69816320, 139632640]

約数ペア:

[(1, 139632640), (2, 69816320), (4, 34908160), (5, 27926528), (7, 19947520), (8, 17454080), (10, 13963264), (14, 9973760), (16, 8727040), (20, 6981632), (28, 4986880), (32, 4363520), (35, 3989504), (40, 3490816), (56, 2493440), (64, 2181760), (70, 1994752), (80, 1745408), (112, 1246720), (128, 1090880), (140, 997376), (160, 872704), (224, 623360), (256, 545440), (280, 498688), (320, 436352), (448, 311680), (487, 286720), (512, 272720), (560, 249344), (640, 218176), (896, 155840), (974, 143360), (1024, 136360), (1120, 124672), (1280, 109088), (1792, 77920), (1948, 71680), (2048, 68180), (2240, 62336), (2435, 57344), (2560, 54544), (3409, 40960), (3584, 38960), (3896, 35840), (4096, 34090), (4480, 31168), (4870, 28672), (5120, 27272), (6818, 20480), (7168, 19480), (7792, 17920), (8192, 17045), (8960, 15584), (9740, 14336), (10240, 13636)]