68250220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 153144432

約数和(自身を除く): 84894212

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 67, 106, 124, 134, 155, 212, 265, 268, 310, 335, 530, 620, 670, 961, 1060, 1340, 1643, 1922, 2077, 3286, 3551, 3844, 4154, 4805, 6572, 7102, 8215, 8308, 9610, 10385, 14204, 16430, 17755, 19220, 20770, 32860, 35510, 41540, 50933, 64387, 71020, 101866, 110081, 128774, 203732, 220162, 254665, 257548, 321935, 440324, 509330, 550405, 643870, 1018660, 1100810, 1287740, 2201620, 3412511, 6825022, 13650044, 17062555, 34125110, 68250220]

約数ペア:

[(1, 68250220), (2, 34125110), (4, 17062555), (5, 13650044), (10, 6825022), (20, 3412511), (31, 2201620), (53, 1287740), (62, 1100810), (67, 1018660), (106, 643870), (124, 550405), (134, 509330), (155, 440324), (212, 321935), (265, 257548), (268, 254665), (310, 220162), (335, 203732), (530, 128774), (620, 110081), (670, 101866), (961, 71020), (1060, 64387), (1340, 50933), (1643, 41540), (1922, 35510), (2077, 32860), (3286, 20770), (3551, 19220), (3844, 17755), (4154, 16430), (4805, 14204), (6572, 10385), (7102, 9610), (8215, 8308)]