255941910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{709}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 785203200

約数和(自身を除く): 529261290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 191, 210, 270, 315, 378, 382, 573, 630, 709, 945, 955, 1146, 1337, 1418, 1719, 1890, 1910, 2127, 2674, 2865, 3438, 3545, 4011, 4254, 4963, 5157, 5730, 6381, 6685, 7090, 8022, 8595, 9926, 10314, 10635, 12033, 12762, 13370, 14889, 17190, 19143, 20055, 21270, 24066, 24815, 25785, 29778, 31905, 36099, 38286, 40110, 44667, 49630, 51570, 60165, 63810, 72198, 74445, 89334, 95715, 120330, 134001, 135419, 148890, 180495, 191430, 223335, 268002, 270838, 360990, 406257, 446670, 670005, 677095, 812514, 947933, 1218771, 1340010, 1354190, 1895866, 2031285, 2437542, 2843799, 3656313, 4062570, 4739665, 5687598, 6093855, 7312626, 8531397, 9479330, 12187710, 14218995, 17062794, 18281565, 25594191, 28437990, 36563130, 42656985, 51188382, 85313970, 127970955, 255941910]

約数ペア:

[(1, 255941910), (2, 127970955), (3, 85313970), (5, 51188382), (6, 42656985), (7, 36563130), (9, 28437990), (10, 25594191), (14, 18281565), (15, 17062794), (18, 14218995), (21, 12187710), (27, 9479330), (30, 8531397), (35, 7312626), (42, 6093855), (45, 5687598), (54, 4739665), (63, 4062570), (70, 3656313), (90, 2843799), (105, 2437542), (126, 2031285), (135, 1895866), (189, 1354190), (191, 1340010), (210, 1218771), (270, 947933), (315, 812514), (378, 677095), (382, 670005), (573, 446670), (630, 406257), (709, 360990), (945, 270838), (955, 268002), (1146, 223335), (1337, 191430), (1418, 180495), (1719, 148890), (1890, 135419), (1910, 134001), (2127, 120330), (2674, 95715), (2865, 89334), (3438, 74445), (3545, 72198), (4011, 63810), (4254, 60165), (4963, 51570), (5157, 49630), (5730, 44667), (6381, 40110), (6685, 38286), (7090, 36099), (8022, 31905), (8595, 29778), (9926, 25785), (10314, 24815), (10635, 24066), (12033, 21270), (12762, 20055), (13370, 19143), (14889, 17190)]