640939488

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2153}}^1$

素因数の和:2616

約数の個数: 96

約数和(自身を含む): 1928054016

約数和(自身を除く): 1287114528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 443, 672, 886, 1329, 1772, 2153, 2658, 3101, 3544, 4306, 5316, 6202, 6459, 7088, 8612, 9303, 10632, 12404, 12918, 14176, 15071, 17224, 18606, 21264, 24808, 25836, 30142, 34448, 37212, 42528, 45213, 49616, 51672, 60284, 68896, 74424, 90426, 99232, 103344, 120568, 148848, 180852, 206688, 241136, 297696, 361704, 482272, 723408, 953779, 1446816, 1907558, 2861337, 3815116, 5722674, 6676453, 7630232, 11445348, 13352906, 15260464, 20029359, 22890696, 26705812, 30520928, 40058718, 45781392, 53411624, 80117436, 91562784, 106823248, 160234872, 213646496, 320469744, 640939488]

約数ペア:

[(1, 640939488), (2, 320469744), (3, 213646496), (4, 160234872), (6, 106823248), (7, 91562784), (8, 80117436), (12, 53411624), (14, 45781392), (16, 40058718), (21, 30520928), (24, 26705812), (28, 22890696), (32, 20029359), (42, 15260464), (48, 13352906), (56, 11445348), (84, 7630232), (96, 6676453), (112, 5722674), (168, 3815116), (224, 2861337), (336, 1907558), (443, 1446816), (672, 953779), (886, 723408), (1329, 482272), (1772, 361704), (2153, 297696), (2658, 241136), (3101, 206688), (3544, 180852), (4306, 148848), (5316, 120568), (6202, 103344), (6459, 99232), (7088, 90426), (8612, 74424), (9303, 68896), (10632, 60284), (12404, 51672), (12918, 49616), (14176, 45213), (15071, 42528), (17224, 37212), (18606, 34448), (21264, 30142), (24808, 25836)]