71977840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 183845376

約数和(自身を除く): 111867536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 263, 311, 440, 526, 622, 880, 1052, 1244, 1315, 1555, 2104, 2488, 2630, 2893, 3110, 3421, 4208, 4976, 5260, 5786, 6220, 6842, 10520, 11572, 12440, 13684, 14465, 17105, 21040, 23144, 24880, 27368, 28930, 34210, 46288, 54736, 57860, 68420, 81793, 115720, 136840, 163586, 231440, 273680, 327172, 408965, 654344, 817930, 899723, 1308688, 1635860, 1799446, 3271720, 3598892, 4498615, 6543440, 7197784, 8997230, 14395568, 17994460, 35988920, 71977840]

約数ペア:

[(1, 71977840), (2, 35988920), (4, 17994460), (5, 14395568), (8, 8997230), (10, 7197784), (11, 6543440), (16, 4498615), (20, 3598892), (22, 3271720), (40, 1799446), (44, 1635860), (55, 1308688), (80, 899723), (88, 817930), (110, 654344), (176, 408965), (220, 327172), (263, 273680), (311, 231440), (440, 163586), (526, 136840), (622, 115720), (880, 81793), (1052, 68420), (1244, 57860), (1315, 54736), (1555, 46288), (2104, 34210), (2488, 28930), (2630, 27368), (2893, 24880), (3110, 23144), (3421, 21040), (4208, 17105), (4976, 14465), (5260, 13684), (5786, 12440), (6220, 11572), (6842, 10520)]