30942180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 94311672

約数和(自身を除く): 63369492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 433, 794, 866, 1191, 1299, 1588, 1732, 1985, 2165, 2382, 2598, 3573, 3897, 3970, 4330, 4764, 5196, 5955, 6495, 7146, 7794, 7940, 8660, 11910, 12990, 14292, 15588, 17865, 19485, 23820, 25980, 35730, 38970, 71460, 77940, 171901, 343802, 515703, 687604, 859505, 1031406, 1547109, 1719010, 2062812, 2578515, 3094218, 3438020, 5157030, 6188436, 7735545, 10314060, 15471090, 30942180]

約数ペア:

[(1, 30942180), (2, 15471090), (3, 10314060), (4, 7735545), (5, 6188436), (6, 5157030), (9, 3438020), (10, 3094218), (12, 2578515), (15, 2062812), (18, 1719010), (20, 1547109), (30, 1031406), (36, 859505), (45, 687604), (60, 515703), (90, 343802), (180, 171901), (397, 77940), (433, 71460), (794, 38970), (866, 35730), (1191, 25980), (1299, 23820), (1588, 19485), (1732, 17865), (1985, 15588), (2165, 14292), (2382, 12990), (2598, 11910), (3573, 8660), (3897, 7940), (3970, 7794), (4330, 7146), (4764, 6495), (5196, 5955)]