81452124

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 222899040

約数和(自身を除く): 141446916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 269, 468, 538, 647, 807, 1076, 1294, 1614, 1941, 2421, 2588, 3228, 3497, 3882, 4842, 5823, 6994, 7764, 8411, 9684, 10491, 11646, 13988, 16822, 20982, 23292, 25233, 31473, 33644, 41964, 50466, 62946, 75699, 100932, 125892, 151398, 174043, 302796, 348086, 522129, 696172, 1044258, 1566387, 2088516, 2262559, 3132774, 4525118, 6265548, 6787677, 9050236, 13575354, 20363031, 27150708, 40726062, 81452124]

約数ペア:

[(1, 81452124), (2, 40726062), (3, 27150708), (4, 20363031), (6, 13575354), (9, 9050236), (12, 6787677), (13, 6265548), (18, 4525118), (26, 3132774), (36, 2262559), (39, 2088516), (52, 1566387), (78, 1044258), (117, 696172), (156, 522129), (234, 348086), (269, 302796), (468, 174043), (538, 151398), (647, 125892), (807, 100932), (1076, 75699), (1294, 62946), (1614, 50466), (1941, 41964), (2421, 33644), (2588, 31473), (3228, 25233), (3497, 23292), (3882, 20982), (4842, 16822), (5823, 13988), (6994, 11646), (7764, 10491), (8411, 9684)]