1330782858920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1\times {\mathrm{399409}}^1$

素因数の和:402138

約数の個数: 64

約数和(自身を含む): 3092008550400

約数和(自身を除く): 1761225691480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2687, 5374, 10748, 13435, 21496, 26870, 53740, 83297, 107480, 166594, 333188, 399409, 416485, 666376, 798818, 832970, 1597636, 1665940, 1997045, 3195272, 3331880, 3994090, 7988180, 12381679, 15976360, 24763358, 49526716, 61908395, 99053432, 123816790, 247633580, 495267160, 1073211983, 2146423966, 4292847932, 5366059915, 8585695864, 10732119830, 21464239660, 33269571473, 42928479320, 66539142946, 133078285892, 166347857365, 266156571784, 332695714730, 665391429460, 1330782858920]

約数ペア:

[(1, 1330782858920), (2, 665391429460), (4, 332695714730), (5, 266156571784), (8, 166347857365), (10, 133078285892), (20, 66539142946), (31, 42928479320), (40, 33269571473), (62, 21464239660), (124, 10732119830), (155, 8585695864), (248, 5366059915), (310, 4292847932), (620, 2146423966), (1240, 1073211983), (2687, 495267160), (5374, 247633580), (10748, 123816790), (13435, 99053432), (21496, 61908395), (26870, 49526716), (53740, 24763358), (83297, 15976360), (107480, 12381679), (166594, 7988180), (333188, 3994090), (399409, 3331880), (416485, 3195272), (666376, 1997045), (798818, 1665940), (832970, 1597636)]