205699680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:909

約数の個数: 144

約数和(自身を含む): 706318704

約数和(自身を除く): 500619024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 288, 360, 422, 480, 633, 677, 720, 844, 1055, 1266, 1354, 1440, 1688, 1899, 2031, 2110, 2532, 2708, 3165, 3376, 3385, 3798, 4062, 4220, 5064, 5416, 6093, 6330, 6752, 6770, 7596, 8124, 8440, 9495, 10128, 10155, 10832, 12186, 12660, 13540, 15192, 16248, 16880, 18990, 20256, 20310, 21664, 24372, 25320, 27080, 30384, 30465, 32496, 33760, 37980, 40620, 48744, 50640, 54160, 60768, 60930, 64992, 75960, 81240, 97488, 101280, 108320, 121860, 142847, 151920, 162480, 194976, 243720, 285694, 303840, 324960, 428541, 487440, 571388, 714235, 857082, 974880, 1142776, 1285623, 1428470, 1714164, 2142705, 2285552, 2571246, 2856940, 3428328, 4285410, 4571104, 5142492, 5713880, 6428115, 6856656, 8570820, 10284984, 11427760, 12856230, 13713312, 17141640, 20569968, 22855520, 25712460, 34283280, 41139936, 51424920, 68566560, 102849840, 205699680]

約数ペア:

[(1, 205699680), (2, 102849840), (3, 68566560), (4, 51424920), (5, 41139936), (6, 34283280), (8, 25712460), (9, 22855520), (10, 20569968), (12, 17141640), (15, 13713312), (16, 12856230), (18, 11427760), (20, 10284984), (24, 8570820), (30, 6856656), (32, 6428115), (36, 5713880), (40, 5142492), (45, 4571104), (48, 4285410), (60, 3428328), (72, 2856940), (80, 2571246), (90, 2285552), (96, 2142705), (120, 1714164), (144, 1428470), (160, 1285623), (180, 1142776), (211, 974880), (240, 857082), (288, 714235), (360, 571388), (422, 487440), (480, 428541), (633, 324960), (677, 303840), (720, 285694), (844, 243720), (1055, 194976), (1266, 162480), (1354, 151920), (1440, 142847), (1688, 121860), (1899, 108320), (2031, 101280), (2110, 97488), (2532, 81240), (2708, 75960), (3165, 64992), (3376, 60930), (3385, 60768), (3798, 54160), (4062, 50640), (4220, 48744), (5064, 40620), (5416, 37980), (6093, 33760), (6330, 32496), (6752, 30465), (6770, 30384), (7596, 27080), (8124, 25320), (8440, 24372), (9495, 21664), (10128, 20310), (10155, 20256), (10832, 18990), (12186, 16880), (12660, 16248), (13540, 15192)]