84720800

素因数分解:

$2^5\times 5^2\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:930

約数の個数: 72

約数和(自身を含む): 208603836

約数和(自身を除く): 123883036

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 137, 160, 200, 274, 400, 548, 685, 773, 800, 1096, 1370, 1546, 2192, 2740, 3092, 3425, 3865, 4384, 5480, 6184, 6850, 7730, 10960, 12368, 13700, 15460, 19325, 21920, 24736, 27400, 30920, 38650, 54800, 61840, 77300, 105901, 109600, 123680, 154600, 211802, 309200, 423604, 529505, 618400, 847208, 1059010, 1694416, 2118020, 2647525, 3388832, 4236040, 5295050, 8472080, 10590100, 16944160, 21180200, 42360400, 84720800]

約数ペア:

[(1, 84720800), (2, 42360400), (4, 21180200), (5, 16944160), (8, 10590100), (10, 8472080), (16, 5295050), (20, 4236040), (25, 3388832), (32, 2647525), (40, 2118020), (50, 1694416), (80, 1059010), (100, 847208), (137, 618400), (160, 529505), (200, 423604), (274, 309200), (400, 211802), (548, 154600), (685, 123680), (773, 109600), (800, 105901), (1096, 77300), (1370, 61840), (1546, 54800), (2192, 38650), (2740, 30920), (3092, 27400), (3425, 24736), (3865, 21920), (4384, 19325), (5480, 15460), (6184, 13700), (6850, 12368), (7730, 10960)]