87091840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 231336000

約数和(自身を除く): 144244160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 139, 160, 176, 178, 220, 278, 320, 352, 356, 440, 445, 556, 640, 695, 704, 712, 880, 890, 979, 1112, 1390, 1408, 1424, 1529, 1760, 1780, 1958, 2224, 2780, 2848, 3058, 3520, 3560, 3916, 4448, 4895, 5560, 5696, 6116, 7040, 7120, 7645, 7832, 8896, 9790, 11120, 11392, 12232, 12371, 14240, 15290, 15664, 17792, 19580, 22240, 24464, 24742, 28480, 30580, 31328, 39160, 44480, 48928, 49484, 56960, 61160, 61855, 62656, 78320, 88960, 97856, 98968, 122320, 123710, 125312, 136081, 156640, 195712, 197936, 244640, 247420, 272162, 313280, 395872, 489280, 494840, 544324, 626560, 680405, 791744, 978560, 989680, 1088648, 1360810, 1583488, 1979360, 2177296, 2721620, 3958720, 4354592, 5443240, 7917440, 8709184, 10886480, 17418368, 21772960, 43545920, 87091840]

約数ペア:

[(1, 87091840), (2, 43545920), (4, 21772960), (5, 17418368), (8, 10886480), (10, 8709184), (11, 7917440), (16, 5443240), (20, 4354592), (22, 3958720), (32, 2721620), (40, 2177296), (44, 1979360), (55, 1583488), (64, 1360810), (80, 1088648), (88, 989680), (89, 978560), (110, 791744), (128, 680405), (139, 626560), (160, 544324), (176, 494840), (178, 489280), (220, 395872), (278, 313280), (320, 272162), (352, 247420), (356, 244640), (440, 197936), (445, 195712), (556, 156640), (640, 136081), (695, 125312), (704, 123710), (712, 122320), (880, 98968), (890, 97856), (979, 88960), (1112, 78320), (1390, 62656), (1408, 61855), (1424, 61160), (1529, 56960), (1760, 49484), (1780, 48928), (1958, 44480), (2224, 39160), (2780, 31328), (2848, 30580), (3058, 28480), (3520, 24742), (3560, 24464), (3916, 22240), (4448, 19580), (4895, 17792), (5560, 15664), (5696, 15290), (6116, 14240), (7040, 12371), (7120, 12232), (7645, 11392), (7832, 11120), (8896, 9790)]