15660580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 38384640

約数和(自身を除く): 22724060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 67, 116, 124, 130, 134, 145, 155, 260, 268, 290, 310, 335, 377, 403, 580, 620, 670, 754, 806, 871, 899, 1340, 1508, 1612, 1742, 1798, 1885, 1943, 2015, 2077, 3484, 3596, 3770, 3886, 4030, 4154, 4355, 4495, 7540, 7772, 8060, 8308, 8710, 8990, 9715, 10385, 11687, 17420, 17980, 19430, 20770, 23374, 25259, 27001, 38860, 41540, 46748, 50518, 54002, 58435, 60233, 101036, 108004, 116870, 120466, 126295, 135005, 233740, 240932, 252590, 270010, 301165, 505180, 540020, 602330, 783029, 1204660, 1566058, 3132116, 3915145, 7830290, 15660580]

約数ペア:

[(1, 15660580), (2, 7830290), (4, 3915145), (5, 3132116), (10, 1566058), (13, 1204660), (20, 783029), (26, 602330), (29, 540020), (31, 505180), (52, 301165), (58, 270010), (62, 252590), (65, 240932), (67, 233740), (116, 135005), (124, 126295), (130, 120466), (134, 116870), (145, 108004), (155, 101036), (260, 60233), (268, 58435), (290, 54002), (310, 50518), (335, 46748), (377, 41540), (403, 38860), (580, 27001), (620, 25259), (670, 23374), (754, 20770), (806, 19430), (871, 17980), (899, 17420), (1340, 11687), (1508, 10385), (1612, 9715), (1742, 8990), (1798, 8710), (1885, 8308), (1943, 8060), (2015, 7772), (2077, 7540), (3484, 4495), (3596, 4355), (3770, 4154), (3886, 4030)]