69450640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2531}}^1$

素因数の和:2565

約数の個数: 80

約数和(自身を含む): 188380800

約数和(自身を除く): 118930160

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, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2531, 2744, 3430, 3920, 5062, 5488, 6860, 10124, 12655, 13720, 17717, 20248, 25310, 27440, 35434, 40496, 50620, 70868, 88585, 101240, 124019, 141736, 177170, 202480, 248038, 283472, 354340, 496076, 620095, 708680, 868133, 992152, 1240190, 1417360, 1736266, 1984304, 2480380, 3472532, 4340665, 4960760, 6945064, 8681330, 9921520, 13890128, 17362660, 34725320, 69450640]

約数ペア:

[(1, 69450640), (2, 34725320), (4, 17362660), (5, 13890128), (7, 9921520), (8, 8681330), (10, 6945064), (14, 4960760), (16, 4340665), (20, 3472532), (28, 2480380), (35, 1984304), (40, 1736266), (49, 1417360), (56, 1240190), (70, 992152), (80, 868133), (98, 708680), (112, 620095), (140, 496076), (196, 354340), (245, 283472), (280, 248038), (343, 202480), (392, 177170), (490, 141736), (560, 124019), (686, 101240), (784, 88585), (980, 70868), (1372, 50620), (1715, 40496), (1960, 35434), (2531, 27440), (2744, 25310), (3430, 20248), (3920, 17717), (5062, 13720), (5488, 12655), (6860, 10124)]