38243640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 115155360

約数和(自身を除く): 76911720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 757, 842, 1263, 1514, 1684, 2105, 2271, 2526, 3028, 3368, 3785, 4210, 4542, 5052, 6056, 6315, 7570, 8420, 9084, 10104, 11355, 12630, 15140, 16840, 18168, 22710, 25260, 30280, 45420, 50520, 90840, 318697, 637394, 956091, 1274788, 1593485, 1912182, 2549576, 3186970, 3824364, 4780455, 6373940, 7648728, 9560910, 12747880, 19121820, 38243640]

約数ペア:

[(1, 38243640), (2, 19121820), (3, 12747880), (4, 9560910), (5, 7648728), (6, 6373940), (8, 4780455), (10, 3824364), (12, 3186970), (15, 2549576), (20, 1912182), (24, 1593485), (30, 1274788), (40, 956091), (60, 637394), (120, 318697), (421, 90840), (757, 50520), (842, 45420), (1263, 30280), (1514, 25260), (1684, 22710), (2105, 18168), (2271, 16840), (2526, 15140), (3028, 12630), (3368, 11355), (3785, 10104), (4210, 9084), (4542, 8420), (5052, 7570), (6056, 6315)]