91441840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23327}}^1$

素因数の和:23354

約数の個数: 60

約数和(自身を含む): 247323456

約数和(自身を除く): 155881616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23327, 46654, 93308, 116635, 163289, 186616, 233270, 326578, 373232, 466540, 653156, 816445, 933080, 1143023, 1306312, 1632890, 1866160, 2286046, 2612624, 3265780, 4572092, 5715115, 6531560, 9144184, 11430230, 13063120, 18288368, 22860460, 45720920, 91441840]

約数ペア:

[(1, 91441840), (2, 45720920), (4, 22860460), (5, 18288368), (7, 13063120), (8, 11430230), (10, 9144184), (14, 6531560), (16, 5715115), (20, 4572092), (28, 3265780), (35, 2612624), (40, 2286046), (49, 1866160), (56, 1632890), (70, 1306312), (80, 1143023), (98, 933080), (112, 816445), (140, 653156), (196, 466540), (245, 373232), (280, 326578), (392, 233270), (490, 186616), (560, 163289), (784, 116635), (980, 93308), (1960, 46654), (3920, 23327)]