81624060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64781}}^1$

素因数の和:64803

約数の個数: 72

約数和(自身を含む): 282967776

約数和(自身を除く): 201343716

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, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64781, 129562, 194343, 259124, 323905, 388686, 453467, 583029, 647810, 777372, 906934, 971715, 1166058, 1295620, 1360401, 1813868, 1943430, 2267335, 2332116, 2720802, 2915145, 3886860, 4081203, 4534670, 5441604, 5830290, 6802005, 8162406, 9069340, 11660580, 13604010, 16324812, 20406015, 27208020, 40812030, 81624060]

約数ペア:

[(1, 81624060), (2, 40812030), (3, 27208020), (4, 20406015), (5, 16324812), (6, 13604010), (7, 11660580), (9, 9069340), (10, 8162406), (12, 6802005), (14, 5830290), (15, 5441604), (18, 4534670), (20, 4081203), (21, 3886860), (28, 2915145), (30, 2720802), (35, 2332116), (36, 2267335), (42, 1943430), (45, 1813868), (60, 1360401), (63, 1295620), (70, 1166058), (84, 971715), (90, 906934), (105, 777372), (126, 647810), (140, 583029), (180, 453467), (210, 388686), (252, 323905), (315, 259124), (420, 194343), (630, 129562), (1260, 64781)]