643460256

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 1888862976

約数和(自身を除く): 1245402720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 223, 233, 258, 288, 344, 387, 446, 466, 516, 669, 688, 699, 774, 892, 932, 1032, 1338, 1376, 1398, 1548, 1784, 1864, 2007, 2064, 2097, 2676, 2796, 3096, 3568, 3728, 4014, 4128, 4194, 5352, 5592, 6192, 7136, 7456, 8028, 8388, 9589, 10019, 10704, 11184, 12384, 16056, 16776, 19178, 20038, 21408, 22368, 28767, 30057, 32112, 33552, 38356, 40076, 51959, 57534, 60114, 64224, 67104, 76712, 80152, 86301, 90171, 103918, 115068, 120228, 153424, 155877, 160304, 172602, 180342, 207836, 230136, 240456, 306848, 311754, 320608, 345204, 360684, 415672, 460272, 467631, 480912, 623508, 690408, 721368, 831344, 920544, 935262, 961824, 1247016, 1380816, 1442736, 1662688, 1870524, 2234237, 2494032, 2761632, 2885472, 3741048, 4468474, 4988064, 6702711, 7482096, 8936948, 13405422, 14964192, 17873896, 20108133, 26810844, 35747792, 40216266, 53621688, 71495584, 80432532, 107243376, 160865064, 214486752, 321730128, 643460256]

約数ペア:

[(1, 643460256), (2, 321730128), (3, 214486752), (4, 160865064), (6, 107243376), (8, 80432532), (9, 71495584), (12, 53621688), (16, 40216266), (18, 35747792), (24, 26810844), (32, 20108133), (36, 17873896), (43, 14964192), (48, 13405422), (72, 8936948), (86, 7482096), (96, 6702711), (129, 4988064), (144, 4468474), (172, 3741048), (223, 2885472), (233, 2761632), (258, 2494032), (288, 2234237), (344, 1870524), (387, 1662688), (446, 1442736), (466, 1380816), (516, 1247016), (669, 961824), (688, 935262), (699, 920544), (774, 831344), (892, 721368), (932, 690408), (1032, 623508), (1338, 480912), (1376, 467631), (1398, 460272), (1548, 415672), (1784, 360684), (1864, 345204), (2007, 320608), (2064, 311754), (2097, 306848), (2676, 240456), (2796, 230136), (3096, 207836), (3568, 180342), (3728, 172602), (4014, 160304), (4128, 155877), (4194, 153424), (5352, 120228), (5592, 115068), (6192, 103918), (7136, 90171), (7456, 86301), (8028, 80152), (8388, 76712), (9589, 67104), (10019, 64224), (10704, 60114), (11184, 57534), (12384, 51959), (16056, 40076), (16776, 38356), (19178, 33552), (20038, 32112), (21408, 30057), (22368, 28767)]