1978790520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{336529}}^1$

素因数の和:336557

約数の個数: 96

約数和(自身を含む): 6905595600

約数和(自身を除く): 4926805080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 336529, 673058, 1009587, 1346116, 1682645, 2019174, 2355703, 2692232, 3365290, 4038348, 4711406, 5047935, 6730580, 7067109, 8076696, 9422812, 10095870, 11778515, 13461160, 14134218, 16489921, 18845624, 20191740, 23557030, 28268436, 32979842, 35335545, 40383480, 47114060, 49469763, 56536872, 65959684, 70671090, 82449605, 94228120, 98939526, 131919368, 141342180, 164899210, 197879052, 247348815, 282684360, 329798420, 395758104, 494697630, 659596840, 989395260, 1978790520]

約数ペア:

[(1, 1978790520), (2, 989395260), (3, 659596840), (4, 494697630), (5, 395758104), (6, 329798420), (7, 282684360), (8, 247348815), (10, 197879052), (12, 164899210), (14, 141342180), (15, 131919368), (20, 98939526), (21, 94228120), (24, 82449605), (28, 70671090), (30, 65959684), (35, 56536872), (40, 49469763), (42, 47114060), (49, 40383480), (56, 35335545), (60, 32979842), (70, 28268436), (84, 23557030), (98, 20191740), (105, 18845624), (120, 16489921), (140, 14134218), (147, 13461160), (168, 11778515), (196, 10095870), (210, 9422812), (245, 8076696), (280, 7067109), (294, 6730580), (392, 5047935), (420, 4711406), (490, 4038348), (588, 3365290), (735, 2692232), (840, 2355703), (980, 2019174), (1176, 1682645), (1470, 1346116), (1960, 1009587), (2940, 673058), (5880, 336529)]