161890120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 427308480

約数和(自身を除く): 265418360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 151, 196, 245, 280, 302, 392, 490, 547, 604, 755, 980, 1057, 1094, 1208, 1510, 1960, 2114, 2188, 2735, 3020, 3829, 4228, 4376, 5285, 5470, 6040, 7399, 7658, 8456, 10570, 10940, 14798, 15316, 19145, 21140, 21880, 26803, 29596, 30632, 36995, 38290, 42280, 53606, 59192, 73990, 76580, 82597, 107212, 134015, 147980, 153160, 165194, 214424, 268030, 295960, 330388, 412985, 536060, 578179, 660776, 825970, 1072120, 1156358, 1651940, 2312716, 2890895, 3303880, 4047253, 4625432, 5781790, 8094506, 11563580, 16189012, 20236265, 23127160, 32378024, 40472530, 80945060, 161890120]

約数ペア:

[(1, 161890120), (2, 80945060), (4, 40472530), (5, 32378024), (7, 23127160), (8, 20236265), (10, 16189012), (14, 11563580), (20, 8094506), (28, 5781790), (35, 4625432), (40, 4047253), (49, 3303880), (56, 2890895), (70, 2312716), (98, 1651940), (140, 1156358), (151, 1072120), (196, 825970), (245, 660776), (280, 578179), (302, 536060), (392, 412985), (490, 330388), (547, 295960), (604, 268030), (755, 214424), (980, 165194), (1057, 153160), (1094, 147980), (1208, 134015), (1510, 107212), (1960, 82597), (2114, 76580), (2188, 73990), (2735, 59192), (3020, 53606), (3829, 42280), (4228, 38290), (4376, 36995), (5285, 30632), (5470, 29596), (6040, 26803), (7399, 21880), (7658, 21140), (8456, 19145), (10570, 15316), (10940, 14798)]