81203400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 275289300

約数和(自身を除く): 194085900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 197, 200, 225, 229, 300, 360, 394, 450, 458, 591, 600, 687, 788, 900, 916, 985, 1145, 1182, 1374, 1576, 1773, 1800, 1832, 1970, 2061, 2290, 2364, 2748, 2955, 3435, 3546, 3940, 4122, 4580, 4728, 4925, 5496, 5725, 5910, 6870, 7092, 7880, 8244, 8865, 9160, 9850, 10305, 11450, 11820, 13740, 14184, 14775, 16488, 17175, 17730, 19700, 20610, 22900, 23640, 27480, 29550, 34350, 35460, 39400, 41220, 44325, 45113, 45800, 51525, 59100, 68700, 70920, 82440, 88650, 90226, 103050, 118200, 135339, 137400, 177300, 180452, 206100, 225565, 270678, 354600, 360904, 406017, 412200, 451130, 541356, 676695, 812034, 902260, 1082712, 1127825, 1353390, 1624068, 1804520, 2030085, 2255650, 2706780, 3248136, 3383475, 4060170, 4511300, 5413560, 6766950, 8120340, 9022600, 10150425, 13533900, 16240680, 20300850, 27067800, 40601700, 81203400]

約数ペア:

[(1, 81203400), (2, 40601700), (3, 27067800), (4, 20300850), (5, 16240680), (6, 13533900), (8, 10150425), (9, 9022600), (10, 8120340), (12, 6766950), (15, 5413560), (18, 4511300), (20, 4060170), (24, 3383475), (25, 3248136), (30, 2706780), (36, 2255650), (40, 2030085), (45, 1804520), (50, 1624068), (60, 1353390), (72, 1127825), (75, 1082712), (90, 902260), (100, 812034), (120, 676695), (150, 541356), (180, 451130), (197, 412200), (200, 406017), (225, 360904), (229, 354600), (300, 270678), (360, 225565), (394, 206100), (450, 180452), (458, 177300), (591, 137400), (600, 135339), (687, 118200), (788, 103050), (900, 90226), (916, 88650), (985, 82440), (1145, 70920), (1182, 68700), (1374, 59100), (1576, 51525), (1773, 45800), (1800, 45113), (1832, 44325), (1970, 41220), (2061, 39400), (2290, 35460), (2364, 34350), (2748, 29550), (2955, 27480), (3435, 23640), (3546, 22900), (3940, 20610), (4122, 19700), (4580, 17730), (4728, 17175), (4925, 16488), (5496, 14775), (5725, 14184), (5910, 13740), (6870, 11820), (7092, 11450), (7880, 10305), (8244, 9850), (8865, 9160)]