71353520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2778

約数の個数: 80

約数和(自身を含む): 193701888

約数和(自身を除く): 122348368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 2711, 3290, 3760, 5264, 5422, 6580, 10844, 13160, 13555, 18977, 21688, 26320, 27110, 37954, 43376, 54220, 75908, 94885, 108440, 127417, 151816, 189770, 216880, 254834, 303632, 379540, 509668, 637085, 759080, 891919, 1019336, 1274170, 1518160, 1783838, 2038672, 2548340, 3567676, 4459595, 5096680, 7135352, 8919190, 10193360, 14270704, 17838380, 35676760, 71353520]

約数ペア:

[(1, 71353520), (2, 35676760), (4, 17838380), (5, 14270704), (7, 10193360), (8, 8919190), (10, 7135352), (14, 5096680), (16, 4459595), (20, 3567676), (28, 2548340), (35, 2038672), (40, 1783838), (47, 1518160), (56, 1274170), (70, 1019336), (80, 891919), (94, 759080), (112, 637085), (140, 509668), (188, 379540), (235, 303632), (280, 254834), (329, 216880), (376, 189770), (470, 151816), (560, 127417), (658, 108440), (752, 94885), (940, 75908), (1316, 54220), (1645, 43376), (1880, 37954), (2632, 27110), (2711, 26320), (3290, 21688), (3760, 18977), (5264, 13555), (5422, 13160), (6580, 10844)]