253793040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 120

約数和(自身を含む): 822864000

約数和(自身を除く): 569070960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 529, 552, 690, 920, 1058, 1104, 1380, 1587, 1840, 1999, 2116, 2645, 2760, 3174, 3998, 4232, 5290, 5520, 5997, 6348, 7935, 7996, 8464, 9995, 10580, 11994, 12696, 15870, 15992, 19990, 21160, 23988, 25392, 29985, 31740, 31984, 39980, 42320, 45977, 47976, 59970, 63480, 79960, 91954, 95952, 119940, 126960, 137931, 159920, 183908, 229885, 239880, 275862, 367816, 459770, 479760, 551724, 689655, 735632, 919540, 1057471, 1103448, 1379310, 1839080, 2114942, 2206896, 2758620, 3172413, 3678160, 4229884, 5287355, 5517240, 6344826, 8459768, 10574710, 11034480, 12689652, 15862065, 16919536, 21149420, 25379304, 31724130, 42298840, 50758608, 63448260, 84597680, 126896520, 253793040]

約数ペア:

[(1, 253793040), (2, 126896520), (3, 84597680), (4, 63448260), (5, 50758608), (6, 42298840), (8, 31724130), (10, 25379304), (12, 21149420), (15, 16919536), (16, 15862065), (20, 12689652), (23, 11034480), (24, 10574710), (30, 8459768), (40, 6344826), (46, 5517240), (48, 5287355), (60, 4229884), (69, 3678160), (80, 3172413), (92, 2758620), (115, 2206896), (120, 2114942), (138, 1839080), (184, 1379310), (230, 1103448), (240, 1057471), (276, 919540), (345, 735632), (368, 689655), (460, 551724), (529, 479760), (552, 459770), (690, 367816), (920, 275862), (1058, 239880), (1104, 229885), (1380, 183908), (1587, 159920), (1840, 137931), (1999, 126960), (2116, 119940), (2645, 95952), (2760, 91954), (3174, 79960), (3998, 63480), (4232, 59970), (5290, 47976), (5520, 45977), (5997, 42320), (6348, 39980), (7935, 31984), (7996, 31740), (8464, 29985), (9995, 25392), (10580, 23988), (11994, 21160), (12696, 19990), (15870, 15992)]