1291237480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1163

約数の個数: 128

約数和(自身を含む): 3298579200

約数和(自身を除く): 2007341720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 107, 115, 130, 184, 214, 230, 260, 299, 428, 460, 520, 535, 598, 856, 920, 1009, 1070, 1196, 1391, 1495, 2018, 2140, 2392, 2461, 2782, 2990, 4036, 4280, 4922, 5045, 5564, 5980, 6955, 8072, 9844, 10090, 11128, 11960, 12305, 13117, 13910, 19688, 20180, 23207, 24610, 26234, 27820, 31993, 40360, 46414, 49220, 52468, 55640, 63986, 65585, 92828, 98440, 104936, 107963, 116035, 127972, 131170, 159965, 185656, 215926, 232070, 255944, 262340, 301691, 319930, 431852, 464140, 524680, 539815, 603382, 639860, 863704, 928280, 1079630, 1206764, 1279720, 1403519, 1508455, 2159260, 2413528, 2483149, 2807038, 3016910, 4318520, 4966298, 5614076, 6033820, 7017595, 9932596, 11228152, 12067640, 12415745, 14035190, 19865192, 24831490, 28070380, 32280937, 49662980, 56140760, 64561874, 99325960, 129123748, 161404685, 258247496, 322809370, 645618740, 1291237480]

約数ペア:

[(1, 1291237480), (2, 645618740), (4, 322809370), (5, 258247496), (8, 161404685), (10, 129123748), (13, 99325960), (20, 64561874), (23, 56140760), (26, 49662980), (40, 32280937), (46, 28070380), (52, 24831490), (65, 19865192), (92, 14035190), (104, 12415745), (107, 12067640), (115, 11228152), (130, 9932596), (184, 7017595), (214, 6033820), (230, 5614076), (260, 4966298), (299, 4318520), (428, 3016910), (460, 2807038), (520, 2483149), (535, 2413528), (598, 2159260), (856, 1508455), (920, 1403519), (1009, 1279720), (1070, 1206764), (1196, 1079630), (1391, 928280), (1495, 863704), (2018, 639860), (2140, 603382), (2392, 539815), (2461, 524680), (2782, 464140), (2990, 431852), (4036, 319930), (4280, 301691), (4922, 262340), (5045, 255944), (5564, 232070), (5980, 215926), (6955, 185656), (8072, 159965), (9844, 131170), (10090, 127972), (11128, 116035), (11960, 107963), (12305, 104936), (13117, 98440), (13910, 92828), (19688, 65585), (20180, 63986), (23207, 55640), (24610, 52468), (26234, 49220), (27820, 46414), (31993, 40360)]