20180630960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{25759}}^1$

素因数の和:27178

約数の個数: 80

約数和(自身を含む): 53663232000

約数和(自身を除く): 33482601040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1399, 2798, 5596, 6995, 9793, 11192, 13990, 19586, 22384, 25759, 27980, 39172, 48965, 51518, 55960, 78344, 97930, 103036, 111920, 128795, 156688, 180313, 195860, 206072, 257590, 360626, 391720, 412144, 515180, 721252, 783440, 901565, 1030360, 1442504, 1803130, 2060720, 2885008, 3606260, 7212520, 14425040, 36036841, 72073682, 144147364, 180184205, 252257887, 288294728, 360368410, 504515774, 576589456, 720736820, 1009031548, 1261289435, 1441473640, 2018063096, 2522578870, 2882947280, 4036126192, 5045157740, 10090315480, 20180630960]

約数ペア:

[(1, 20180630960), (2, 10090315480), (4, 5045157740), (5, 4036126192), (7, 2882947280), (8, 2522578870), (10, 2018063096), (14, 1441473640), (16, 1261289435), (20, 1009031548), (28, 720736820), (35, 576589456), (40, 504515774), (56, 360368410), (70, 288294728), (80, 252257887), (112, 180184205), (140, 144147364), (280, 72073682), (560, 36036841), (1399, 14425040), (2798, 7212520), (5596, 3606260), (6995, 2885008), (9793, 2060720), (11192, 1803130), (13990, 1442504), (19586, 1030360), (22384, 901565), (25759, 783440), (27980, 721252), (39172, 515180), (48965, 412144), (51518, 391720), (55960, 360626), (78344, 257590), (97930, 206072), (103036, 195860), (111920, 180313), (128795, 156688)]