30874140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 105670656

約数和(自身を除く): 74796516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 503, 558, 620, 660, 682, 930, 990, 1006, 1023, 1116, 1364, 1395, 1509, 1705, 1860, 1980, 2012, 2046, 2515, 2790, 3018, 3069, 3410, 4092, 4527, 5030, 5115, 5533, 5580, 6036, 6138, 6820, 7545, 9054, 10060, 10230, 11066, 12276, 15090, 15345, 15593, 16599, 18108, 20460, 22132, 22635, 27665, 30180, 30690, 31186, 33198, 45270, 46779, 49797, 55330, 61380, 62372, 66396, 77965, 82995, 90540, 93558, 99594, 110660, 140337, 155930, 165990, 171523, 187116, 199188, 233895, 248985, 280674, 311860, 331980, 343046, 467790, 497970, 514569, 561348, 686092, 701685, 857615, 935580, 995940, 1029138, 1403370, 1543707, 1715230, 2058276, 2572845, 2806740, 3087414, 3430460, 5145690, 6174828, 7718535, 10291380, 15437070, 30874140]

約数ペア:

[(1, 30874140), (2, 15437070), (3, 10291380), (4, 7718535), (5, 6174828), (6, 5145690), (9, 3430460), (10, 3087414), (11, 2806740), (12, 2572845), (15, 2058276), (18, 1715230), (20, 1543707), (22, 1403370), (30, 1029138), (31, 995940), (33, 935580), (36, 857615), (44, 701685), (45, 686092), (55, 561348), (60, 514569), (62, 497970), (66, 467790), (90, 343046), (93, 331980), (99, 311860), (110, 280674), (124, 248985), (132, 233895), (155, 199188), (165, 187116), (180, 171523), (186, 165990), (198, 155930), (220, 140337), (279, 110660), (310, 99594), (330, 93558), (341, 90540), (372, 82995), (396, 77965), (465, 66396), (495, 62372), (503, 61380), (558, 55330), (620, 49797), (660, 46779), (682, 45270), (930, 33198), (990, 31186), (1006, 30690), (1023, 30180), (1116, 27665), (1364, 22635), (1395, 22132), (1509, 20460), (1705, 18108), (1860, 16599), (1980, 15593), (2012, 15345), (2046, 15090), (2515, 12276), (2790, 11066), (3018, 10230), (3069, 10060), (3410, 9054), (4092, 7545), (4527, 6820), (5030, 6138), (5115, 6036), (5533, 5580)]