164145280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 428828400

約数和(自身を除く): 264683120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 181, 208, 218, 260, 320, 362, 416, 436, 520, 545, 640, 724, 832, 872, 905, 1040, 1090, 1417, 1448, 1664, 1744, 1810, 2080, 2180, 2353, 2834, 2896, 3488, 3620, 4160, 4360, 4706, 5668, 5792, 6976, 7085, 7240, 8320, 8720, 9412, 11336, 11584, 11765, 13952, 14170, 14480, 17440, 18824, 19729, 22672, 23168, 23530, 28340, 28960, 34880, 37648, 39458, 45344, 47060, 56680, 57920, 69760, 75296, 78916, 90688, 94120, 98645, 113360, 115840, 150592, 157832, 181376, 188240, 197290, 226720, 256477, 301184, 315664, 376480, 394580, 453440, 512954, 631328, 752960, 789160, 906880, 1025908, 1262656, 1282385, 1505920, 1578320, 2051816, 2525312, 2564770, 3156640, 4103632, 5129540, 6313280, 8207264, 10259080, 12626560, 16414528, 20518160, 32829056, 41036320, 82072640, 164145280]

約数ペア:

[(1, 164145280), (2, 82072640), (4, 41036320), (5, 32829056), (8, 20518160), (10, 16414528), (13, 12626560), (16, 10259080), (20, 8207264), (26, 6313280), (32, 5129540), (40, 4103632), (52, 3156640), (64, 2564770), (65, 2525312), (80, 2051816), (104, 1578320), (109, 1505920), (128, 1282385), (130, 1262656), (160, 1025908), (181, 906880), (208, 789160), (218, 752960), (260, 631328), (320, 512954), (362, 453440), (416, 394580), (436, 376480), (520, 315664), (545, 301184), (640, 256477), (724, 226720), (832, 197290), (872, 188240), (905, 181376), (1040, 157832), (1090, 150592), (1417, 115840), (1448, 113360), (1664, 98645), (1744, 94120), (1810, 90688), (2080, 78916), (2180, 75296), (2353, 69760), (2834, 57920), (2896, 56680), (3488, 47060), (3620, 45344), (4160, 39458), (4360, 37648), (4706, 34880), (5668, 28960), (5792, 28340), (6976, 23530), (7085, 23168), (7240, 22672), (8320, 19729), (8720, 18824), (9412, 17440), (11336, 14480), (11584, 14170), (11765, 13952)]