71398880

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{1301}}^1$

素因数の和:1337

約数の個数: 96

約数和(自身を含む): 196862400

約数和(自身を除く): 125463520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1301, 1372, 1568, 1715, 1960, 2602, 2744, 3430, 3920, 5204, 5488, 6505, 6860, 7840, 9107, 10408, 10976, 13010, 13720, 18214, 20816, 26020, 27440, 36428, 41632, 45535, 52040, 54880, 63749, 72856, 91070, 104080, 127498, 145712, 182140, 208160, 254996, 291424, 318745, 364280, 446243, 509992, 637490, 728560, 892486, 1019984, 1274980, 1457120, 1784972, 2039968, 2231215, 2549960, 3569944, 4462430, 5099920, 7139888, 8924860, 10199840, 14279776, 17849720, 35699440, 71398880]

約数ペア:

[(1, 71398880), (2, 35699440), (4, 17849720), (5, 14279776), (7, 10199840), (8, 8924860), (10, 7139888), (14, 5099920), (16, 4462430), (20, 3569944), (28, 2549960), (32, 2231215), (35, 2039968), (40, 1784972), (49, 1457120), (56, 1274980), (70, 1019984), (80, 892486), (98, 728560), (112, 637490), (140, 509992), (160, 446243), (196, 364280), (224, 318745), (245, 291424), (280, 254996), (343, 208160), (392, 182140), (490, 145712), (560, 127498), (686, 104080), (784, 91070), (980, 72856), (1120, 63749), (1301, 54880), (1372, 52040), (1568, 45535), (1715, 41632), (1960, 36428), (2602, 27440), (2744, 26020), (3430, 20816), (3920, 18214), (5204, 13720), (5488, 13010), (6505, 10976), (6860, 10408), (7840, 9107)]