15420210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2123

約数の個数: 64

約数和(自身を含む): 41973120

約数和(自身を除く): 26552910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2081, 2470, 3705, 4162, 6243, 7410, 10405, 12486, 20810, 27053, 31215, 39539, 54106, 62430, 79078, 81159, 118617, 135265, 162318, 197695, 237234, 270530, 395390, 405795, 514007, 593085, 811590, 1028014, 1186170, 1542021, 2570035, 3084042, 5140070, 7710105, 15420210]

約数ペア:

[(1, 15420210), (2, 7710105), (3, 5140070), (5, 3084042), (6, 2570035), (10, 1542021), (13, 1186170), (15, 1028014), (19, 811590), (26, 593085), (30, 514007), (38, 405795), (39, 395390), (57, 270530), (65, 237234), (78, 197695), (95, 162318), (114, 135265), (130, 118617), (190, 81159), (195, 79078), (247, 62430), (285, 54106), (390, 39539), (494, 31215), (570, 27053), (741, 20810), (1235, 12486), (1482, 10405), (2081, 7410), (2470, 6243), (3705, 4162)]