205955880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 692616960

約数和(自身を除く): 486661080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 53, 60, 65, 78, 94, 104, 106, 120, 130, 141, 156, 159, 188, 195, 212, 235, 260, 265, 282, 312, 318, 376, 390, 424, 470, 520, 530, 564, 611, 636, 689, 705, 780, 795, 940, 1060, 1128, 1222, 1272, 1378, 1410, 1560, 1590, 1833, 1880, 2067, 2120, 2444, 2491, 2756, 2809, 2820, 3055, 3180, 3445, 3666, 4134, 4888, 4982, 5512, 5618, 5640, 6110, 6360, 6890, 7332, 7473, 8268, 8427, 9165, 9964, 10335, 11236, 12220, 12455, 13780, 14045, 14664, 14946, 16536, 16854, 18330, 19928, 20670, 22472, 24440, 24910, 27560, 28090, 29892, 32383, 33708, 36517, 36660, 37365, 41340, 42135, 49820, 56180, 59784, 64766, 67416, 73034, 73320, 74730, 82680, 84270, 97149, 99640, 109551, 112360, 129532, 132023, 146068, 149460, 161915, 168540, 182585, 194298, 219102, 259064, 264046, 292136, 298920, 323830, 337080, 365170, 388596, 396069, 438204, 485745, 528092, 547755, 647660, 660115, 730340, 777192, 792138, 876408, 971490, 1056184, 1095510, 1295320, 1320230, 1460680, 1584276, 1716299, 1942980, 1980345, 2191020, 2640460, 3168552, 3432598, 3885960, 3960690, 4382040, 5148897, 5280920, 6865196, 7921380, 8581495, 10297794, 13730392, 15842760, 17162990, 20595588, 25744485, 34325980, 41191176, 51488970, 68651960, 102977940, 205955880]

約数ペア:

[(1, 205955880), (2, 102977940), (3, 68651960), (4, 51488970), (5, 41191176), (6, 34325980), (8, 25744485), (10, 20595588), (12, 17162990), (13, 15842760), (15, 13730392), (20, 10297794), (24, 8581495), (26, 7921380), (30, 6865196), (39, 5280920), (40, 5148897), (47, 4382040), (52, 3960690), (53, 3885960), (60, 3432598), (65, 3168552), (78, 2640460), (94, 2191020), (104, 1980345), (106, 1942980), (120, 1716299), (130, 1584276), (141, 1460680), (156, 1320230), (159, 1295320), (188, 1095510), (195, 1056184), (212, 971490), (235, 876408), (260, 792138), (265, 777192), (282, 730340), (312, 660115), (318, 647660), (376, 547755), (390, 528092), (424, 485745), (470, 438204), (520, 396069), (530, 388596), (564, 365170), (611, 337080), (636, 323830), (689, 298920), (705, 292136), (780, 264046), (795, 259064), (940, 219102), (1060, 194298), (1128, 182585), (1222, 168540), (1272, 161915), (1378, 149460), (1410, 146068), (1560, 132023), (1590, 129532), (1833, 112360), (1880, 109551), (2067, 99640), (2120, 97149), (2444, 84270), (2491, 82680), (2756, 74730), (2809, 73320), (2820, 73034), (3055, 67416), (3180, 64766), (3445, 59784), (3666, 56180), (4134, 49820), (4888, 42135), (4982, 41340), (5512, 37365), (5618, 36660), (5640, 36517), (6110, 33708), (6360, 32383), (6890, 29892), (7332, 28090), (7473, 27560), (8268, 24910), (8427, 24440), (9165, 22472), (9964, 20670), (10335, 19928), (11236, 18330), (12220, 16854), (12455, 16536), (13780, 14946), (14045, 14664)]