201510920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2141}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 491203440

約数和(自身を除く): 289692520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1448, 1810, 2141, 2353, 3620, 4282, 4706, 7240, 8564, 9412, 10705, 11765, 17128, 18824, 21410, 23530, 27833, 42820, 47060, 55666, 85640, 94120, 111332, 139165, 222664, 278330, 387521, 556660, 775042, 1113320, 1550084, 1937605, 3100168, 3875210, 5037773, 7750420, 10075546, 15500840, 20151092, 25188865, 40302184, 50377730, 100755460, 201510920]

約数ペア:

[(1, 201510920), (2, 100755460), (4, 50377730), (5, 40302184), (8, 25188865), (10, 20151092), (13, 15500840), (20, 10075546), (26, 7750420), (40, 5037773), (52, 3875210), (65, 3100168), (104, 1937605), (130, 1550084), (181, 1113320), (260, 775042), (362, 556660), (520, 387521), (724, 278330), (905, 222664), (1448, 139165), (1810, 111332), (2141, 94120), (2353, 85640), (3620, 55666), (4282, 47060), (4706, 42820), (7240, 27833), (8564, 23530), (9412, 21410), (10705, 18824), (11765, 17128)]