155757280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19867}}^1$

素因数の和:19896

約数の個数: 72

約数和(自身を含む): 428075928

約数和(自身を除く): 272318648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19867, 39734, 79468, 99335, 139069, 158936, 198670, 278138, 317872, 397340, 556276, 635744, 695345, 794680, 973483, 1112552, 1390690, 1589360, 1946966, 2225104, 2781380, 3178720, 3893932, 4450208, 4867415, 5562760, 7787864, 9734830, 11125520, 15575728, 19469660, 22251040, 31151456, 38939320, 77878640, 155757280]

約数ペア:

[(1, 155757280), (2, 77878640), (4, 38939320), (5, 31151456), (7, 22251040), (8, 19469660), (10, 15575728), (14, 11125520), (16, 9734830), (20, 7787864), (28, 5562760), (32, 4867415), (35, 4450208), (40, 3893932), (49, 3178720), (56, 2781380), (70, 2225104), (80, 1946966), (98, 1589360), (112, 1390690), (140, 1112552), (160, 973483), (196, 794680), (224, 695345), (245, 635744), (280, 556276), (392, 397340), (490, 317872), (560, 278138), (784, 198670), (980, 158936), (1120, 139069), (1568, 99335), (1960, 79468), (3920, 39734), (7840, 19867)]