28428360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 85726080

約数和(自身を除く): 57297720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 983, 1205, 1446, 1928, 1966, 2410, 2892, 2949, 3615, 3932, 4820, 4915, 5784, 5898, 7230, 7864, 9640, 9830, 11796, 14460, 14745, 19660, 23592, 28920, 29490, 39320, 58980, 117960, 236903, 473806, 710709, 947612, 1184515, 1421418, 1895224, 2369030, 2842836, 3553545, 4738060, 5685672, 7107090, 9476120, 14214180, 28428360]

約数ペア:

[(1, 28428360), (2, 14214180), (3, 9476120), (4, 7107090), (5, 5685672), (6, 4738060), (8, 3553545), (10, 2842836), (12, 2369030), (15, 1895224), (20, 1421418), (24, 1184515), (30, 947612), (40, 710709), (60, 473806), (120, 236903), (241, 117960), (482, 58980), (723, 39320), (964, 29490), (983, 28920), (1205, 23592), (1446, 19660), (1928, 14745), (1966, 14460), (2410, 11796), (2892, 9830), (2949, 9640), (3615, 7864), (3932, 7230), (4820, 5898), (4915, 5784)]