15842680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 42476400

約数和(自身を除く): 26633720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 137, 140, 196, 236, 245, 274, 280, 295, 392, 413, 472, 490, 548, 590, 685, 826, 959, 980, 1096, 1180, 1370, 1652, 1918, 1960, 2065, 2360, 2740, 2891, 3304, 3836, 4130, 4795, 5480, 5782, 6713, 7672, 8083, 8260, 9590, 11564, 13426, 14455, 16166, 16520, 19180, 23128, 26852, 28910, 32332, 33565, 38360, 40415, 53704, 56581, 57820, 64664, 67130, 80830, 113162, 115640, 134260, 161660, 226324, 268520, 282905, 323320, 396067, 452648, 565810, 792134, 1131620, 1584268, 1980335, 2263240, 3168536, 3960670, 7921340, 15842680]

約数ペア:

[(1, 15842680), (2, 7921340), (4, 3960670), (5, 3168536), (7, 2263240), (8, 1980335), (10, 1584268), (14, 1131620), (20, 792134), (28, 565810), (35, 452648), (40, 396067), (49, 323320), (56, 282905), (59, 268520), (70, 226324), (98, 161660), (118, 134260), (137, 115640), (140, 113162), (196, 80830), (236, 67130), (245, 64664), (274, 57820), (280, 56581), (295, 53704), (392, 40415), (413, 38360), (472, 33565), (490, 32332), (548, 28910), (590, 26852), (685, 23128), (826, 19180), (959, 16520), (980, 16166), (1096, 14455), (1180, 13426), (1370, 11564), (1652, 9590), (1918, 8260), (1960, 8083), (2065, 7672), (2360, 6713), (2740, 5782), (2891, 5480), (3304, 4795), (3836, 4130)]