247874984.0000000000

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1301}}^1$

素因数の和:2429

約数の個数: 120

約数和(自身を含む): 3494541960

約数和(自身を除く): 2455719480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1109, 1301, 2218, 2602, 3327, 3903, 4436, 5204, 5545, 6505, 6654, 7806, 8872, 9981, 10408, 11090, 11709, 13010, 13308, 15612, 16635, 17744, 19515, 19962, 20816, 22180, 23418, 26020, 26616, 31224, 33270, 39030, 39924, 44360, 46836, 49905, 52040, 53232, 58545, 62448, 66540, 78060, 79848, 88720, 93672, 99810, 104080, 117090, 133080, 156120, 159696, 187344, 199620, 234180, 266160, 312240, 399240, 468360, 798480, 936720, 1442809, 2885618, 4328427, 5771236, 7214045, 8656854, 11542472, 12985281, 14428090, 17313708, 21642135, 23084944, 25970562, 28856180, 34627416, 43284270, 51941124, 57712360, 64926405, 69254832, 86568540, 103882248, 115424720, 129852810, 173137080, 207764496, 259705620, 346274160, 519411240, 1038822480]

約数ペア:

[(1, 1038822480), (2, 519411240), (3, 346274160), (4, 259705620), (5, 207764496), (6, 173137080), (8, 129852810), (9, 115424720), (10, 103882248), (12, 86568540), (15, 69254832), (16, 64926405), (18, 57712360), (20, 51941124), (24, 43284270), (30, 34627416), (36, 28856180), (40, 25970562), (45, 23084944), (48, 21642135), (60, 17313708), (72, 14428090), (80, 12985281), (90, 11542472), (120, 8656854), (144, 7214045), (180, 5771236), (240, 4328427), (360, 2885618), (720, 1442809), (1109, 936720), (1301, 798480), (2218, 468360), (2602, 399240), (3327, 312240), (3903, 266160), (4436, 234180), (5204, 199620), (5545, 187344), (6505, 159696), (6654, 156120), (7806, 133080), (8872, 117090), (9981, 104080), (10408, 99810), (11090, 93672), (11709, 88720), (13010, 79848), (13308, 78060), (15612, 66540), (16635, 62448), (17744, 58545), (19515, 53232), (19962, 52040), (20816, 49905), (22180, 46836), (23418, 44360), (26020, 39924), (26616, 39030), (31224, 33270)]