166949820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1889}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 507714480

約数和(自身を除く): 340764660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1889, 1964, 2455, 2946, 3778, 4419, 4910, 5667, 5892, 7365, 7556, 8838, 9445, 9820, 11334, 14730, 17001, 17676, 18890, 22095, 22668, 28335, 29460, 34002, 37780, 44190, 56670, 68004, 85005, 88380, 113340, 170010, 340020, 927499, 1854998, 2782497, 3709996, 4637495, 5564994, 8347491, 9274990, 11129988, 13912485, 16694982, 18549980, 27824970, 33389964, 41737455, 55649940, 83474910, 166949820]

約数ペア:

[(1, 166949820), (2, 83474910), (3, 55649940), (4, 41737455), (5, 33389964), (6, 27824970), (9, 18549980), (10, 16694982), (12, 13912485), (15, 11129988), (18, 9274990), (20, 8347491), (30, 5564994), (36, 4637495), (45, 3709996), (60, 2782497), (90, 1854998), (180, 927499), (491, 340020), (982, 170010), (1473, 113340), (1889, 88380), (1964, 85005), (2455, 68004), (2946, 56670), (3778, 44190), (4419, 37780), (4910, 34002), (5667, 29460), (5892, 28335), (7365, 22668), (7556, 22095), (8838, 18890), (9445, 17676), (9820, 17001), (11334, 14730)]