783129880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{1979}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 1901037600

約数和(自身を除く): 1117907720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 761, 1522, 1979, 3044, 3805, 3958, 6088, 7610, 7916, 9893, 9895, 15220, 15832, 19786, 19790, 25727, 30440, 39572, 39580, 49465, 51454, 79144, 79160, 98930, 102908, 128635, 197860, 205816, 257270, 395720, 514540, 1029080, 1506019, 3012038, 6024076, 7530095, 12048152, 15060190, 19578247, 30120380, 39156494, 60240760, 78312988, 97891235, 156625976, 195782470, 391564940, 783129880]

約数ペア:

[(1, 783129880), (2, 391564940), (4, 195782470), (5, 156625976), (8, 97891235), (10, 78312988), (13, 60240760), (20, 39156494), (26, 30120380), (40, 19578247), (52, 15060190), (65, 12048152), (104, 7530095), (130, 6024076), (260, 3012038), (520, 1506019), (761, 1029080), (1522, 514540), (1979, 395720), (3044, 257270), (3805, 205816), (3958, 197860), (6088, 128635), (7610, 102908), (7916, 98930), (9893, 79160), (9895, 79144), (15220, 51454), (15832, 49465), (19786, 39580), (19790, 39572), (25727, 30440)]