30221776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 67217920

約数和(自身を除く): 36996144

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 109, 124, 172, 208, 218, 248, 344, 403, 436, 496, 559, 688, 806, 872, 1118, 1333, 1417, 1612, 1744, 2236, 2666, 2834, 3224, 3379, 4472, 4687, 5332, 5668, 6448, 6758, 8944, 9374, 10664, 11336, 13516, 17329, 18748, 21328, 22672, 27032, 34658, 37496, 43927, 54064, 60931, 69316, 74992, 87854, 121862, 138632, 145297, 175708, 243724, 277264, 290594, 351416, 487448, 581188, 702832, 974896, 1162376, 1888861, 2324752, 3777722, 7555444, 15110888, 30221776]

約数ペア:

[(1, 30221776), (2, 15110888), (4, 7555444), (8, 3777722), (13, 2324752), (16, 1888861), (26, 1162376), (31, 974896), (43, 702832), (52, 581188), (62, 487448), (86, 351416), (104, 290594), (109, 277264), (124, 243724), (172, 175708), (208, 145297), (218, 138632), (248, 121862), (344, 87854), (403, 74992), (436, 69316), (496, 60931), (559, 54064), (688, 43927), (806, 37496), (872, 34658), (1118, 27032), (1333, 22672), (1417, 21328), (1612, 18748), (1744, 17329), (2236, 13516), (2666, 11336), (2834, 10664), (3224, 9374), (3379, 8944), (4472, 6758), (4687, 6448), (5332, 5668)]