78742440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31247}}^1$

素因数の和:31271

約数の個数: 96

約数和(自身を含む): 292481280

約数和(自身を除く): 213738840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31247, 62494, 93741, 124988, 156235, 187482, 218729, 249976, 281223, 312470, 374964, 437458, 468705, 562446, 624940, 656187, 749928, 874916, 937410, 1093645, 1124892, 1249880, 1312374, 1406115, 1749832, 1874820, 1968561, 2187290, 2249784, 2624748, 2812230, 3280935, 3749640, 3937122, 4374580, 5249496, 5624460, 6561870, 7874244, 8749160, 9842805, 11248920, 13123740, 15748488, 19685610, 26247480, 39371220, 78742440]

約数ペア:

[(1, 78742440), (2, 39371220), (3, 26247480), (4, 19685610), (5, 15748488), (6, 13123740), (7, 11248920), (8, 9842805), (9, 8749160), (10, 7874244), (12, 6561870), (14, 5624460), (15, 5249496), (18, 4374580), (20, 3937122), (21, 3749640), (24, 3280935), (28, 2812230), (30, 2624748), (35, 2249784), (36, 2187290), (40, 1968561), (42, 1874820), (45, 1749832), (56, 1406115), (60, 1312374), (63, 1249880), (70, 1124892), (72, 1093645), (84, 937410), (90, 874916), (105, 749928), (120, 656187), (126, 624940), (140, 562446), (168, 468705), (180, 437458), (210, 374964), (252, 312470), (280, 281223), (315, 249976), (360, 218729), (420, 187482), (504, 156235), (630, 124988), (840, 93741), (1260, 62494), (2520, 31247)]