66719820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2801}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 187352928

約数和(自身を除く): 120633108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1588, 1985, 2382, 2801, 3970, 4764, 5602, 5955, 7940, 8403, 11204, 11910, 14005, 16806, 23820, 28010, 33612, 42015, 56020, 84030, 168060, 1111997, 2223994, 3335991, 4447988, 5559985, 6671982, 11119970, 13343964, 16679955, 22239940, 33359910, 66719820]

約数ペア:

[(1, 66719820), (2, 33359910), (3, 22239940), (4, 16679955), (5, 13343964), (6, 11119970), (10, 6671982), (12, 5559985), (15, 4447988), (20, 3335991), (30, 2223994), (60, 1111997), (397, 168060), (794, 84030), (1191, 56020), (1588, 42015), (1985, 33612), (2382, 28010), (2801, 23820), (3970, 16806), (4764, 14005), (5602, 11910), (5955, 11204), (7940, 8403)]