1274240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 3341520

約数和(自身を除く): 2067280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 181, 220, 320, 352, 362, 440, 640, 704, 724, 880, 905, 1408, 1448, 1760, 1810, 1991, 2896, 3520, 3620, 3982, 5792, 7040, 7240, 7964, 9955, 11584, 14480, 15928, 19910, 23168, 28960, 31856, 39820, 57920, 63712, 79640, 115840, 127424, 159280, 254848, 318560, 637120, 1274240]

約数ペア:

[(1, 1274240), (2, 637120), (4, 318560), (5, 254848), (8, 159280), (10, 127424), (11, 115840), (16, 79640), (20, 63712), (22, 57920), (32, 39820), (40, 31856), (44, 28960), (55, 23168), (64, 19910), (80, 15928), (88, 14480), (110, 11584), (128, 9955), (160, 7964), (176, 7240), (181, 7040), (220, 5792), (320, 3982), (352, 3620), (362, 3520), (440, 2896), (640, 1991), (704, 1810), (724, 1760), (880, 1448), (905, 1408)]