87427760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22303}}^1$

素因数の和:22330

約数の個数: 60

約数和(自身を含む): 236467008

約数和(自身を除く): 149039248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22303, 44606, 89212, 111515, 156121, 178424, 223030, 312242, 356848, 446060, 624484, 780605, 892120, 1092847, 1248968, 1561210, 1784240, 2185694, 2497936, 3122420, 4371388, 5464235, 6244840, 8742776, 10928470, 12489680, 17485552, 21856940, 43713880, 87427760]

約数ペア:

[(1, 87427760), (2, 43713880), (4, 21856940), (5, 17485552), (7, 12489680), (8, 10928470), (10, 8742776), (14, 6244840), (16, 5464235), (20, 4371388), (28, 3122420), (35, 2497936), (40, 2185694), (49, 1784240), (56, 1561210), (70, 1248968), (80, 1092847), (98, 892120), (112, 780605), (140, 624484), (196, 446060), (245, 356848), (280, 312242), (392, 223030), (490, 178424), (560, 156121), (784, 111515), (980, 89212), (1960, 44606), (3920, 22303)]