61319180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1303}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 139548864

約数和(自身を除く): 78229684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1303, 1810, 2353, 2606, 3620, 4706, 5212, 6515, 9412, 11765, 13030, 16939, 23530, 26060, 33878, 47060, 67756, 84695, 169390, 235843, 338780, 471686, 943372, 1179215, 2358430, 3065959, 4716860, 6131918, 12263836, 15329795, 30659590, 61319180]

約数ペア:

[(1, 61319180), (2, 30659590), (4, 15329795), (5, 12263836), (10, 6131918), (13, 4716860), (20, 3065959), (26, 2358430), (52, 1179215), (65, 943372), (130, 471686), (181, 338780), (260, 235843), (362, 169390), (724, 84695), (905, 67756), (1303, 47060), (1810, 33878), (2353, 26060), (2606, 23530), (3620, 16939), (4706, 13030), (5212, 11765), (6515, 9412)]