90312880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23039}}^1$

素因数の和:23066

約数の個数: 60

約数和(自身を含む): 244270080

約数和(自身を除く): 153957200

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, 23039, 46078, 92156, 115195, 161273, 184312, 230390, 322546, 368624, 460780, 645092, 806365, 921560, 1128911, 1290184, 1612730, 1843120, 2257822, 2580368, 3225460, 4515644, 5644555, 6450920, 9031288, 11289110, 12901840, 18062576, 22578220, 45156440, 90312880]

約数ペア:

[(1, 90312880), (2, 45156440), (4, 22578220), (5, 18062576), (7, 12901840), (8, 11289110), (10, 9031288), (14, 6450920), (16, 5644555), (20, 4515644), (28, 3225460), (35, 2580368), (40, 2257822), (49, 1843120), (56, 1612730), (70, 1290184), (80, 1128911), (98, 921560), (112, 806365), (140, 645092), (196, 460780), (245, 368624), (280, 322546), (392, 230390), (490, 184312), (560, 161273), (784, 115195), (980, 92156), (1960, 46078), (3920, 23039)]