1390320000

素因数分解:

$2^7\times 3^2\times 5^4\times {\mathrm{1931}}^1$

素因数の和:1971

約数の個数: 240

約数和(自身を含む): 5001976980

約数和(自身を除く): 3611656980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 576, 600, 625, 640, 720, 750, 800, 900, 960, 1000, 1125, 1152, 1200, 1250, 1440, 1500, 1600, 1800, 1875, 1920, 1931, 2000, 2250, 2400, 2500, 2880, 3000, 3200, 3600, 3750, 3862, 4000, 4500, 4800, 5000, 5625, 5760, 5793, 6000, 7200, 7500, 7724, 8000, 9000, 9600, 9655, 10000, 11250, 11586, 12000, 14400, 15000, 15448, 16000, 17379, 18000, 19310, 20000, 22500, 23172, 24000, 28800, 28965, 30000, 30896, 34758, 36000, 38620, 40000, 45000, 46344, 48000, 48275, 57930, 60000, 61792, 69516, 72000, 77240, 80000, 86895, 90000, 92688, 96550, 115860, 120000, 123584, 139032, 144000, 144825, 154480, 173790, 180000, 185376, 193100, 231720, 240000, 241375, 247168, 278064, 289650, 308960, 347580, 360000, 370752, 386200, 434475, 463440, 482750, 556128, 579300, 617920, 695160, 720000, 724125, 741504, 772400, 868950, 926880, 965500, 1112256, 1158600, 1206875, 1235840, 1390320, 1448250, 1544800, 1737900, 1853760, 1931000, 2172375, 2224512, 2317200, 2413750, 2780640, 2896500, 3089600, 3475800, 3620625, 3707520, 3862000, 4344750, 4634400, 4827500, 5561280, 5793000, 6179200, 6951600, 7241250, 7724000, 8689500, 9268800, 9655000, 10861875, 11122560, 11586000, 13903200, 14482500, 15448000, 17379000, 18537600, 19310000, 21723750, 23172000, 27806400, 28965000, 30896000, 34758000, 38620000, 43447500, 46344000, 55612800, 57930000, 69516000, 77240000, 86895000, 92688000, 115860000, 139032000, 154480000, 173790000, 231720000, 278064000, 347580000, 463440000, 695160000, 1390320000]

約数ペア:

[(1, 1390320000), (2, 695160000), (3, 463440000), (4, 347580000), (5, 278064000), (6, 231720000), (8, 173790000), (9, 154480000), (10, 139032000), (12, 115860000), (15, 92688000), (16, 86895000), (18, 77240000), (20, 69516000), (24, 57930000), (25, 55612800), (30, 46344000), (32, 43447500), (36, 38620000), (40, 34758000), (45, 30896000), (48, 28965000), (50, 27806400), (60, 23172000), (64, 21723750), (72, 19310000), (75, 18537600), (80, 17379000), (90, 15448000), (96, 14482500), (100, 13903200), (120, 11586000), (125, 11122560), (128, 10861875), (144, 9655000), (150, 9268800), (160, 8689500), (180, 7724000), (192, 7241250), (200, 6951600), (225, 6179200), (240, 5793000), (250, 5561280), (288, 4827500), (300, 4634400), (320, 4344750), (360, 3862000), (375, 3707520), (384, 3620625), (400, 3475800), (450, 3089600), (480, 2896500), (500, 2780640), (576, 2413750), (600, 2317200), (625, 2224512), (640, 2172375), (720, 1931000), (750, 1853760), (800, 1737900), (900, 1544800), (960, 1448250), (1000, 1390320), (1125, 1235840), (1152, 1206875), (1200, 1158600), (1250, 1112256), (1440, 965500), (1500, 926880), (1600, 868950), (1800, 772400), (1875, 741504), (1920, 724125), (1931, 720000), (2000, 695160), (2250, 617920), (2400, 579300), (2500, 556128), (2880, 482750), (3000, 463440), (3200, 434475), (3600, 386200), (3750, 370752), (3862, 360000), (4000, 347580), (4500, 308960), (4800, 289650), (5000, 278064), (5625, 247168), (5760, 241375), (5793, 240000), (6000, 231720), (7200, 193100), (7500, 185376), (7724, 180000), (8000, 173790), (9000, 154480), (9600, 144825), (9655, 144000), (10000, 139032), (11250, 123584), (11586, 120000), (12000, 115860), (14400, 96550), (15000, 92688), (15448, 90000), (16000, 86895), (17379, 80000), (18000, 77240), (19310, 72000), (20000, 69516), (22500, 61792), (23172, 60000), (24000, 57930), (28800, 48275), (28965, 48000), (30000, 46344), (30896, 45000), (34758, 40000), (36000, 38620)]