268940360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1663}}^1$

素因数の和:1998

約数の個数: 64

約数和(自身を含む): 654151680

約数和(自身を除く): 385211320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 311, 520, 622, 1244, 1555, 1663, 2488, 3110, 3326, 4043, 6220, 6652, 8086, 8315, 12440, 13304, 16172, 16630, 20215, 21619, 32344, 33260, 40430, 43238, 66520, 80860, 86476, 108095, 161720, 172952, 216190, 432380, 517193, 864760, 1034386, 2068772, 2585965, 4137544, 5171930, 6723509, 10343860, 13447018, 20687720, 26894036, 33617545, 53788072, 67235090, 134470180, 268940360]

約数ペア:

[(1, 268940360), (2, 134470180), (4, 67235090), (5, 53788072), (8, 33617545), (10, 26894036), (13, 20687720), (20, 13447018), (26, 10343860), (40, 6723509), (52, 5171930), (65, 4137544), (104, 2585965), (130, 2068772), (260, 1034386), (311, 864760), (520, 517193), (622, 432380), (1244, 216190), (1555, 172952), (1663, 161720), (2488, 108095), (3110, 86476), (3326, 80860), (4043, 66520), (6220, 43238), (6652, 40430), (8086, 33260), (8315, 32344), (12440, 21619), (13304, 20215), (16172, 16630)]