157321580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3343}}^1$

素因数の和:3546

約数の個数: 48

約数和(自身を含む): 357861504

約数和(自身を除く): 200539924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3343, 3620, 4706, 6686, 9412, 11765, 13372, 16715, 23530, 33430, 43459, 47060, 66860, 86918, 173836, 217295, 434590, 605083, 869180, 1210166, 2420332, 3025415, 6050830, 7866079, 12101660, 15732158, 31464316, 39330395, 78660790, 157321580]

約数ペア:

[(1, 157321580), (2, 78660790), (4, 39330395), (5, 31464316), (10, 15732158), (13, 12101660), (20, 7866079), (26, 6050830), (52, 3025415), (65, 2420332), (130, 1210166), (181, 869180), (260, 605083), (362, 434590), (724, 217295), (905, 173836), (1810, 86918), (2353, 66860), (3343, 47060), (3620, 43459), (4706, 33430), (6686, 23530), (9412, 16715), (11765, 13372)]