1330981280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{268343}}^1$

素因数の和:268389

約数の個数: 48

約数和(自身を含む): 3245889024

約数和(自身を除く): 1914907744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 268343, 536686, 1073372, 1341715, 2146744, 2683430, 4293488, 5366860, 8318633, 8586976, 10733720, 16637266, 21467440, 33274532, 41593165, 42934880, 66549064, 83186330, 133098128, 166372660, 266196256, 332745320, 665490640, 1330981280]

約数ペア:

[(1, 1330981280), (2, 665490640), (4, 332745320), (5, 266196256), (8, 166372660), (10, 133098128), (16, 83186330), (20, 66549064), (31, 42934880), (32, 41593165), (40, 33274532), (62, 21467440), (80, 16637266), (124, 10733720), (155, 8586976), (160, 8318633), (248, 5366860), (310, 4293488), (496, 2683430), (620, 2146744), (992, 1341715), (1240, 1073372), (2480, 536686), (4960, 268343)]