1780720290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{3307}}^1$

素因数の和:3544

約数の個数: 96

約数和(自身を含む): 4805438976

約数和(自身を除く): 3024718686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 193, 279, 310, 386, 465, 558, 579, 930, 965, 1158, 1395, 1737, 1930, 2790, 2895, 3307, 3474, 5790, 5983, 6614, 8685, 9921, 11966, 16535, 17370, 17949, 19842, 29763, 29915, 33070, 35898, 49605, 53847, 59526, 59830, 89745, 99210, 102517, 107694, 148815, 179490, 205034, 269235, 297630, 307551, 512585, 538470, 615102, 638251, 922653, 1025170, 1276502, 1537755, 1845306, 1914753, 3075510, 3191255, 3829506, 4613265, 5744259, 6382510, 9226530, 9573765, 11488518, 19147530, 19785781, 28721295, 39571562, 57442590, 59357343, 98928905, 118714686, 178072029, 197857810, 296786715, 356144058, 593573430, 890360145, 1780720290]

約数ペア:

[(1, 1780720290), (2, 890360145), (3, 593573430), (5, 356144058), (6, 296786715), (9, 197857810), (10, 178072029), (15, 118714686), (18, 98928905), (30, 59357343), (31, 57442590), (45, 39571562), (62, 28721295), (90, 19785781), (93, 19147530), (155, 11488518), (186, 9573765), (193, 9226530), (279, 6382510), (310, 5744259), (386, 4613265), (465, 3829506), (558, 3191255), (579, 3075510), (930, 1914753), (965, 1845306), (1158, 1537755), (1395, 1276502), (1737, 1025170), (1930, 922653), (2790, 638251), (2895, 615102), (3307, 538470), (3474, 512585), (5790, 307551), (5983, 297630), (6614, 269235), (8685, 205034), (9921, 179490), (11966, 148815), (16535, 107694), (17370, 102517), (17949, 99210), (19842, 89745), (29763, 59830), (29915, 59526), (33070, 53847), (35898, 49605)]