19876680000

素因数分解:

$2^6\times 3^2\times 5^4\times {\mathrm{55213}}^1$

素因数の和:55251

約数の個数: 210

約数和(自身を含む): 71194643234

約数和(自身を除く): 51317963234

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, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 400, 450, 480, 500, 576, 600, 625, 720, 750, 800, 900, 960, 1000, 1125, 1200, 1250, 1440, 1500, 1600, 1800, 1875, 2000, 2250, 2400, 2500, 2880, 3000, 3600, 3750, 4000, 4500, 4800, 5000, 5625, 6000, 7200, 7500, 8000, 9000, 10000, 11250, 12000, 14400, 15000, 18000, 20000, 22500, 24000, 30000, 36000, 40000, 45000, 55213, 60000, 72000, 90000, 110426, 120000, 165639, 180000, 220852, 276065, 331278, 360000, 441704, 496917, 552130, 662556, 828195, 883408, 993834, 1104260, 1325112, 1380325, 1656390, 1766816, 1987668, 2208520, 2484585, 2650224, 2760650, 3312780, 3533632, 3975336, 4140975, 4417040, 4969170, 5300448, 5521300, 6625560, 6901625, 7950672, 8281950, 8834080, 9938340, 10600896, 11042600, 12422925, 13251120, 13803250, 15901344, 16563900, 17668160, 19876680, 20704875, 22085200, 24845850, 26502240, 27606500, 31802688, 33127800, 34508125, 39753360, 41409750, 44170400, 49691700, 53004480, 55213000, 62114625, 66255600, 69016250, 79506720, 82819500, 88340800, 99383400, 103524375, 110426000, 124229250, 132511200, 138032500, 159013440, 165639000, 198766800, 207048750, 220852000, 248458500, 265022400, 276065000, 310573125, 331278000, 397533600, 414097500, 441704000, 496917000, 552130000, 621146250, 662556000, 795067200, 828195000, 993834000, 1104260000, 1242292500, 1325112000, 1656390000, 1987668000, 2208520000, 2484585000, 3312780000, 3975336000, 4969170000, 6625560000, 9938340000, 19876680000]

約数ペア:

[(1, 19876680000), (2, 9938340000), (3, 6625560000), (4, 4969170000), (5, 3975336000), (6, 3312780000), (8, 2484585000), (9, 2208520000), (10, 1987668000), (12, 1656390000), (15, 1325112000), (16, 1242292500), (18, 1104260000), (20, 993834000), (24, 828195000), (25, 795067200), (30, 662556000), (32, 621146250), (36, 552130000), (40, 496917000), (45, 441704000), (48, 414097500), (50, 397533600), (60, 331278000), (64, 310573125), (72, 276065000), (75, 265022400), (80, 248458500), (90, 220852000), (96, 207048750), (100, 198766800), (120, 165639000), (125, 159013440), (144, 138032500), (150, 132511200), (160, 124229250), (180, 110426000), (192, 103524375), (200, 99383400), (225, 88340800), (240, 82819500), (250, 79506720), (288, 69016250), (300, 66255600), (320, 62114625), (360, 55213000), (375, 53004480), (400, 49691700), (450, 44170400), (480, 41409750), (500, 39753360), (576, 34508125), (600, 33127800), (625, 31802688), (720, 27606500), (750, 26502240), (800, 24845850), (900, 22085200), (960, 20704875), (1000, 19876680), (1125, 17668160), (1200, 16563900), (1250, 15901344), (1440, 13803250), (1500, 13251120), (1600, 12422925), (1800, 11042600), (1875, 10600896), (2000, 9938340), (2250, 8834080), (2400, 8281950), (2500, 7950672), (2880, 6901625), (3000, 6625560), (3600, 5521300), (3750, 5300448), (4000, 4969170), (4500, 4417040), (4800, 4140975), (5000, 3975336), (5625, 3533632), (6000, 3312780), (7200, 2760650), (7500, 2650224), (8000, 2484585), (9000, 2208520), (10000, 1987668), (11250, 1766816), (12000, 1656390), (14400, 1380325), (15000, 1325112), (18000, 1104260), (20000, 993834), (22500, 883408), (24000, 828195), (30000, 662556), (36000, 552130), (40000, 496917), (45000, 441704), (55213, 360000), (60000, 331278), (72000, 276065), (90000, 220852), (110426, 180000), (120000, 165639)]