320762624

素因数分解:

$2^8\times 7^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 806971200

約数和(自身を除く): 486208576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 281, 343, 364, 392, 416, 448, 562, 637, 686, 728, 784, 832, 896, 1124, 1274, 1372, 1456, 1568, 1664, 1792, 1967, 2248, 2548, 2744, 2912, 3136, 3328, 3653, 3934, 4459, 4496, 5096, 5488, 5824, 6272, 7306, 7868, 8918, 8992, 10192, 10976, 11648, 12544, 13769, 14612, 15736, 17836, 17984, 20384, 21952, 23296, 25571, 27538, 29224, 31472, 35672, 35968, 40768, 43904, 51142, 55076, 58448, 62944, 71344, 71936, 81536, 87808, 96383, 102284, 110152, 116896, 125888, 142688, 163072, 178997, 192766, 204568, 220304, 233792, 251776, 285376, 357994, 385532, 409136, 440608, 467584, 503552, 570752, 715988, 771064, 818272, 881216, 935168, 1141504, 1252979, 1431976, 1542128, 1636544, 1762432, 2505958, 2863952, 3084256, 3273088, 3524864, 5011916, 5727904, 6168512, 6546176, 10023832, 11455808, 12337024, 20047664, 22911616, 24674048, 40095328, 45823232, 80190656, 160381312, 320762624]

約数ペア:

[(1, 320762624), (2, 160381312), (4, 80190656), (7, 45823232), (8, 40095328), (13, 24674048), (14, 22911616), (16, 20047664), (26, 12337024), (28, 11455808), (32, 10023832), (49, 6546176), (52, 6168512), (56, 5727904), (64, 5011916), (91, 3524864), (98, 3273088), (104, 3084256), (112, 2863952), (128, 2505958), (182, 1762432), (196, 1636544), (208, 1542128), (224, 1431976), (256, 1252979), (281, 1141504), (343, 935168), (364, 881216), (392, 818272), (416, 771064), (448, 715988), (562, 570752), (637, 503552), (686, 467584), (728, 440608), (784, 409136), (832, 385532), (896, 357994), (1124, 285376), (1274, 251776), (1372, 233792), (1456, 220304), (1568, 204568), (1664, 192766), (1792, 178997), (1967, 163072), (2248, 142688), (2548, 125888), (2744, 116896), (2912, 110152), (3136, 102284), (3328, 96383), (3653, 87808), (3934, 81536), (4459, 71936), (4496, 71344), (5096, 62944), (5488, 58448), (5824, 55076), (6272, 51142), (7306, 43904), (7868, 40768), (8918, 35968), (8992, 35672), (10192, 31472), (10976, 29224), (11648, 27538), (12544, 25571), (13769, 23296), (14612, 21952), (15736, 20384), (17836, 17984)]