81116910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 249661440

約数和(自身を除く): 168544530

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, 167, 189, 210, 257, 270, 315, 334, 378, 501, 514, 630, 771, 835, 945, 1002, 1169, 1285, 1503, 1542, 1670, 1799, 1890, 2313, 2338, 2505, 2570, 3006, 3507, 3598, 3855, 4509, 4626, 5010, 5397, 5845, 6939, 7014, 7515, 7710, 8995, 9018, 10521, 10794, 11565, 11690, 13878, 15030, 16191, 17535, 17990, 21042, 22545, 23130, 26985, 31563, 32382, 34695, 35070, 42919, 45090, 48573, 52605, 53970, 63126, 69390, 80955, 85838, 97146, 105210, 128757, 157815, 161910, 214595, 242865, 257514, 300433, 315630, 386271, 429190, 485730, 600866, 643785, 772542, 901299, 1158813, 1287570, 1502165, 1802598, 1931355, 2317626, 2703897, 3004330, 3862710, 4506495, 5407794, 5794065, 8111691, 9012990, 11588130, 13519485, 16223382, 27038970, 40558455, 81116910]

約数ペア:

[(1, 81116910), (2, 40558455), (3, 27038970), (5, 16223382), (6, 13519485), (7, 11588130), (9, 9012990), (10, 8111691), (14, 5794065), (15, 5407794), (18, 4506495), (21, 3862710), (27, 3004330), (30, 2703897), (35, 2317626), (42, 1931355), (45, 1802598), (54, 1502165), (63, 1287570), (70, 1158813), (90, 901299), (105, 772542), (126, 643785), (135, 600866), (167, 485730), (189, 429190), (210, 386271), (257, 315630), (270, 300433), (315, 257514), (334, 242865), (378, 214595), (501, 161910), (514, 157815), (630, 128757), (771, 105210), (835, 97146), (945, 85838), (1002, 80955), (1169, 69390), (1285, 63126), (1503, 53970), (1542, 52605), (1670, 48573), (1799, 45090), (1890, 42919), (2313, 35070), (2338, 34695), (2505, 32382), (2570, 31563), (3006, 26985), (3507, 23130), (3598, 22545), (3855, 21042), (4509, 17990), (4626, 17535), (5010, 16191), (5397, 15030), (5845, 13878), (6939, 11690), (7014, 11565), (7515, 10794), (7710, 10521), (8995, 9018)]