2780826040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1333

約数の個数: 96

約数和(自身を含む): 6604279920

約数和(自身を除く): 3823453880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 452, 460, 529, 565, 904, 920, 1058, 1130, 1163, 2116, 2260, 2326, 2599, 2645, 4232, 4520, 4652, 5198, 5290, 5815, 9304, 10396, 10580, 11630, 12995, 20792, 21160, 23260, 25990, 26749, 46520, 51980, 53498, 59777, 103960, 106996, 119554, 131419, 133745, 213992, 239108, 262838, 267490, 298885, 478216, 525676, 534980, 597770, 615227, 657095, 1051352, 1069960, 1195540, 1230454, 1314190, 2391080, 2460908, 2628380, 3022637, 3076135, 4921816, 5256760, 6045274, 6152270, 12090548, 12304540, 15113185, 24181096, 24609080, 30226370, 60452740, 69520651, 120905480, 139041302, 278082604, 347603255, 556165208, 695206510, 1390413020, 2780826040]

約数ペア:

[(1, 2780826040), (2, 1390413020), (4, 695206510), (5, 556165208), (8, 347603255), (10, 278082604), (20, 139041302), (23, 120905480), (40, 69520651), (46, 60452740), (92, 30226370), (113, 24609080), (115, 24181096), (184, 15113185), (226, 12304540), (230, 12090548), (452, 6152270), (460, 6045274), (529, 5256760), (565, 4921816), (904, 3076135), (920, 3022637), (1058, 2628380), (1130, 2460908), (1163, 2391080), (2116, 1314190), (2260, 1230454), (2326, 1195540), (2599, 1069960), (2645, 1051352), (4232, 657095), (4520, 615227), (4652, 597770), (5198, 534980), (5290, 525676), (5815, 478216), (9304, 298885), (10396, 267490), (10580, 262838), (11630, 239108), (12995, 213992), (20792, 133745), (21160, 131419), (23260, 119554), (25990, 106996), (26749, 103960), (46520, 59777), (51980, 53498)]