12780456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 36365760

約数和(自身を除く): 23585304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 137, 138, 156, 169, 184, 274, 276, 299, 312, 338, 411, 507, 548, 552, 598, 676, 822, 897, 1014, 1096, 1196, 1352, 1644, 1781, 1794, 2028, 2392, 3151, 3288, 3562, 3588, 3887, 4056, 5343, 6302, 7124, 7176, 7774, 9453, 10686, 11661, 12604, 14248, 15548, 18906, 21372, 23153, 23322, 25208, 31096, 37812, 40963, 42744, 46306, 46644, 69459, 75624, 81926, 92612, 93288, 122889, 138918, 163852, 185224, 245778, 277836, 327704, 491556, 532519, 555672, 983112, 1065038, 1597557, 2130076, 3195114, 4260152, 6390228, 12780456]

約数ペア:

[(1, 12780456), (2, 6390228), (3, 4260152), (4, 3195114), (6, 2130076), (8, 1597557), (12, 1065038), (13, 983112), (23, 555672), (24, 532519), (26, 491556), (39, 327704), (46, 277836), (52, 245778), (69, 185224), (78, 163852), (92, 138918), (104, 122889), (137, 93288), (138, 92612), (156, 81926), (169, 75624), (184, 69459), (274, 46644), (276, 46306), (299, 42744), (312, 40963), (338, 37812), (411, 31096), (507, 25208), (548, 23322), (552, 23153), (598, 21372), (676, 18906), (822, 15548), (897, 14248), (1014, 12604), (1096, 11661), (1196, 10686), (1352, 9453), (1644, 7774), (1781, 7176), (1794, 7124), (2028, 6302), (2392, 5343), (3151, 4056), (3288, 3887), (3562, 3588)]