28635720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3361}}^1$

素因数の和:3446

約数の個数: 64

約数和(自身を含む): 87143040

約数和(自身を除く): 58507320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3361, 4260, 6722, 8520, 10083, 13444, 16805, 20166, 26888, 33610, 40332, 50415, 67220, 80664, 100830, 134440, 201660, 238631, 403320, 477262, 715893, 954524, 1193155, 1431786, 1909048, 2386310, 2863572, 3579465, 4772620, 5727144, 7158930, 9545240, 14317860, 28635720]

約数ペア:

[(1, 28635720), (2, 14317860), (3, 9545240), (4, 7158930), (5, 5727144), (6, 4772620), (8, 3579465), (10, 2863572), (12, 2386310), (15, 1909048), (20, 1431786), (24, 1193155), (30, 954524), (40, 715893), (60, 477262), (71, 403320), (120, 238631), (142, 201660), (213, 134440), (284, 100830), (355, 80664), (426, 67220), (568, 50415), (710, 40332), (852, 33610), (1065, 26888), (1420, 20166), (1704, 16805), (2130, 13444), (2840, 10083), (3361, 8520), (4260, 6722)]