320359984

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 748077120

約数和(自身を除く): 427717136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 53, 56, 58, 106, 112, 116, 203, 212, 232, 371, 406, 424, 464, 742, 812, 848, 1484, 1537, 1624, 1861, 2968, 3074, 3248, 3722, 5936, 6148, 7444, 10759, 12296, 13027, 14888, 21518, 24592, 26054, 29776, 43036, 52108, 53969, 86072, 98633, 104216, 107938, 172144, 197266, 208432, 215876, 377783, 394532, 431752, 690431, 755566, 789064, 863504, 1380862, 1511132, 1578128, 2761724, 2860357, 3022264, 5523448, 5720714, 6044528, 11046896, 11441428, 20022499, 22882856, 40044998, 45765712, 80089996, 160179992, 320359984]

約数ペア:

[(1, 320359984), (2, 160179992), (4, 80089996), (7, 45765712), (8, 40044998), (14, 22882856), (16, 20022499), (28, 11441428), (29, 11046896), (53, 6044528), (56, 5720714), (58, 5523448), (106, 3022264), (112, 2860357), (116, 2761724), (203, 1578128), (212, 1511132), (232, 1380862), (371, 863504), (406, 789064), (424, 755566), (464, 690431), (742, 431752), (812, 394532), (848, 377783), (1484, 215876), (1537, 208432), (1624, 197266), (1861, 172144), (2968, 107938), (3074, 104216), (3248, 98633), (3722, 86072), (5936, 53969), (6148, 52108), (7444, 43036), (10759, 29776), (12296, 26054), (13027, 24592), (14888, 21518)]