72720000

素因数分解:

$2^7\times 3^2\times 5^4\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 240

約数和(自身を含む): 264079530

約数和(自身を除く): 191359530

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, 101, 120, 125, 128, 144, 150, 160, 180, 192, 200, 202, 225, 240, 250, 288, 300, 303, 320, 360, 375, 384, 400, 404, 450, 480, 500, 505, 576, 600, 606, 625, 640, 720, 750, 800, 808, 900, 909, 960, 1000, 1010, 1125, 1152, 1200, 1212, 1250, 1440, 1500, 1515, 1600, 1616, 1800, 1818, 1875, 1920, 2000, 2020, 2250, 2400, 2424, 2500, 2525, 2880, 3000, 3030, 3200, 3232, 3600, 3636, 3750, 4000, 4040, 4500, 4545, 4800, 4848, 5000, 5050, 5625, 5760, 6000, 6060, 6464, 7200, 7272, 7500, 7575, 8000, 8080, 9000, 9090, 9600, 9696, 10000, 10100, 11250, 12000, 12120, 12625, 12928, 14400, 14544, 15000, 15150, 16000, 16160, 18000, 18180, 19392, 20000, 20200, 22500, 22725, 24000, 24240, 25250, 28800, 29088, 30000, 30300, 32320, 36000, 36360, 37875, 38784, 40000, 40400, 45000, 45450, 48000, 48480, 50500, 58176, 60000, 60600, 63125, 64640, 72000, 72720, 75750, 80000, 80800, 90000, 90900, 96960, 101000, 113625, 116352, 120000, 121200, 126250, 144000, 145440, 151500, 161600, 180000, 181800, 189375, 193920, 202000, 227250, 240000, 242400, 252500, 290880, 303000, 323200, 360000, 363600, 378750, 404000, 454500, 484800, 505000, 568125, 581760, 606000, 720000, 727200, 757500, 808000, 909000, 969600, 1010000, 1136250, 1212000, 1454400, 1515000, 1616000, 1818000, 2020000, 2272500, 2424000, 2908800, 3030000, 3636000, 4040000, 4545000, 4848000, 6060000, 7272000, 8080000, 9090000, 12120000, 14544000, 18180000, 24240000, 36360000, 72720000]

約数ペア:

[(1, 72720000), (2, 36360000), (3, 24240000), (4, 18180000), (5, 14544000), (6, 12120000), (8, 9090000), (9, 8080000), (10, 7272000), (12, 6060000), (15, 4848000), (16, 4545000), (18, 4040000), (20, 3636000), (24, 3030000), (25, 2908800), (30, 2424000), (32, 2272500), (36, 2020000), (40, 1818000), (45, 1616000), (48, 1515000), (50, 1454400), (60, 1212000), (64, 1136250), (72, 1010000), (75, 969600), (80, 909000), (90, 808000), (96, 757500), (100, 727200), (101, 720000), (120, 606000), (125, 581760), (128, 568125), (144, 505000), (150, 484800), (160, 454500), (180, 404000), (192, 378750), (200, 363600), (202, 360000), (225, 323200), (240, 303000), (250, 290880), (288, 252500), (300, 242400), (303, 240000), (320, 227250), (360, 202000), (375, 193920), (384, 189375), (400, 181800), (404, 180000), (450, 161600), (480, 151500), (500, 145440), (505, 144000), (576, 126250), (600, 121200), (606, 120000), (625, 116352), (640, 113625), (720, 101000), (750, 96960), (800, 90900), (808, 90000), (900, 80800), (909, 80000), (960, 75750), (1000, 72720), (1010, 72000), (1125, 64640), (1152, 63125), (1200, 60600), (1212, 60000), (1250, 58176), (1440, 50500), (1500, 48480), (1515, 48000), (1600, 45450), (1616, 45000), (1800, 40400), (1818, 40000), (1875, 38784), (1920, 37875), (2000, 36360), (2020, 36000), (2250, 32320), (2400, 30300), (2424, 30000), (2500, 29088), (2525, 28800), (2880, 25250), (3000, 24240), (3030, 24000), (3200, 22725), (3232, 22500), (3600, 20200), (3636, 20000), (3750, 19392), (4000, 18180), (4040, 18000), (4500, 16160), (4545, 16000), (4800, 15150), (4848, 15000), (5000, 14544), (5050, 14400), (5625, 12928), (5760, 12625), (6000, 12120), (6060, 12000), (6464, 11250), (7200, 10100), (7272, 10000), (7500, 9696), (7575, 9600), (8000, 9090), (8080, 9000)]