2784259968

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{21139}}^1$

素因数の和:21177

約数の個数: 128

約数和(自身を含む): 8625120000

約数和(自身を除く): 5840860032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 2058, 2352, 2688, 2744, 3136, 4116, 4704, 5488, 6272, 8232, 9408, 10976, 16464, 18816, 21139, 21952, 32928, 42278, 43904, 63417, 65856, 84556, 126834, 131712, 147973, 169112, 253668, 295946, 338224, 443919, 507336, 591892, 676448, 887838, 1014672, 1035811, 1183784, 1352896, 1775676, 2029344, 2071622, 2367568, 2705792, 3107433, 3551352, 4058688, 4143244, 4735136, 6214866, 7102704, 7250677, 8117376, 8286488, 9470272, 12429732, 14205408, 14501354, 16572976, 18940544, 21752031, 24859464, 28410816, 29002708, 33145952, 43504062, 49718928, 56821632, 58005416, 66291904, 87008124, 99437856, 116010832, 132583808, 174016248, 198875712, 232021664, 348032496, 397751424, 464043328, 696064992, 928086656, 1392129984, 2784259968]

約数ペア:

[(1, 2784259968), (2, 1392129984), (3, 928086656), (4, 696064992), (6, 464043328), (7, 397751424), (8, 348032496), (12, 232021664), (14, 198875712), (16, 174016248), (21, 132583808), (24, 116010832), (28, 99437856), (32, 87008124), (42, 66291904), (48, 58005416), (49, 56821632), (56, 49718928), (64, 43504062), (84, 33145952), (96, 29002708), (98, 28410816), (112, 24859464), (128, 21752031), (147, 18940544), (168, 16572976), (192, 14501354), (196, 14205408), (224, 12429732), (294, 9470272), (336, 8286488), (343, 8117376), (384, 7250677), (392, 7102704), (448, 6214866), (588, 4735136), (672, 4143244), (686, 4058688), (784, 3551352), (896, 3107433), (1029, 2705792), (1176, 2367568), (1344, 2071622), (1372, 2029344), (1568, 1775676), (2058, 1352896), (2352, 1183784), (2688, 1035811), (2744, 1014672), (3136, 887838), (4116, 676448), (4704, 591892), (5488, 507336), (6272, 443919), (8232, 338224), (9408, 295946), (10976, 253668), (16464, 169112), (18816, 147973), (21139, 131712), (21952, 126834), (32928, 84556), (42278, 65856), (43904, 63417)]