25788420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 90749568

約数和(自身を除く): 64961148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 211, 252, 291, 315, 388, 420, 422, 485, 582, 630, 633, 679, 844, 873, 970, 1055, 1164, 1260, 1266, 1358, 1455, 1477, 1746, 1899, 1940, 2037, 2110, 2532, 2716, 2910, 2954, 3165, 3395, 3492, 3798, 4074, 4220, 4365, 4431, 5820, 5908, 6111, 6330, 6790, 7385, 7596, 8148, 8730, 8862, 9495, 10185, 12222, 12660, 13293, 13580, 14770, 17460, 17724, 18990, 20370, 20467, 22155, 24444, 26586, 29540, 30555, 37980, 40740, 40934, 44310, 53172, 61110, 61401, 66465, 81868, 88620, 102335, 122220, 122802, 132930, 143269, 184203, 204670, 245604, 265860, 286538, 307005, 368406, 409340, 429807, 573076, 614010, 716345, 736812, 859614, 921015, 1228020, 1289421, 1432690, 1719228, 1842030, 2149035, 2578842, 2865380, 3684060, 4298070, 5157684, 6447105, 8596140, 12894210, 25788420]

約数ペア:

[(1, 25788420), (2, 12894210), (3, 8596140), (4, 6447105), (5, 5157684), (6, 4298070), (7, 3684060), (9, 2865380), (10, 2578842), (12, 2149035), (14, 1842030), (15, 1719228), (18, 1432690), (20, 1289421), (21, 1228020), (28, 921015), (30, 859614), (35, 736812), (36, 716345), (42, 614010), (45, 573076), (60, 429807), (63, 409340), (70, 368406), (84, 307005), (90, 286538), (97, 265860), (105, 245604), (126, 204670), (140, 184203), (180, 143269), (194, 132930), (210, 122802), (211, 122220), (252, 102335), (291, 88620), (315, 81868), (388, 66465), (420, 61401), (422, 61110), (485, 53172), (582, 44310), (630, 40934), (633, 40740), (679, 37980), (844, 30555), (873, 29540), (970, 26586), (1055, 24444), (1164, 22155), (1260, 20467), (1266, 20370), (1358, 18990), (1455, 17724), (1477, 17460), (1746, 14770), (1899, 13580), (1940, 13293), (2037, 12660), (2110, 12222), (2532, 10185), (2716, 9495), (2910, 8862), (2954, 8730), (3165, 8148), (3395, 7596), (3492, 7385), (3798, 6790), (4074, 6330), (4220, 6111), (4365, 5908), (4431, 5820)]