81890400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 269514000

約数和(自身を除く): 187623600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 149, 150, 160, 200, 229, 240, 298, 300, 400, 447, 458, 480, 596, 600, 687, 745, 800, 894, 916, 1145, 1192, 1200, 1374, 1490, 1788, 1832, 2235, 2290, 2384, 2400, 2748, 2980, 3435, 3576, 3664, 3725, 4470, 4580, 4768, 5496, 5725, 5960, 6870, 7152, 7328, 7450, 8940, 9160, 10992, 11175, 11450, 11920, 13740, 14304, 14900, 17175, 17880, 18320, 21984, 22350, 22900, 23840, 27480, 29800, 34121, 34350, 35760, 36640, 44700, 45800, 54960, 59600, 68242, 68700, 71520, 89400, 91600, 102363, 109920, 119200, 136484, 137400, 170605, 178800, 183200, 204726, 272968, 274800, 341210, 357600, 409452, 511815, 545936, 549600, 682420, 818904, 853025, 1023630, 1091872, 1364840, 1637808, 1706050, 2047260, 2559075, 2729680, 3275616, 3412100, 4094520, 5118150, 5459360, 6824200, 8189040, 10236300, 13648400, 16378080, 20472600, 27296800, 40945200, 81890400]

約数ペア:

[(1, 81890400), (2, 40945200), (3, 27296800), (4, 20472600), (5, 16378080), (6, 13648400), (8, 10236300), (10, 8189040), (12, 6824200), (15, 5459360), (16, 5118150), (20, 4094520), (24, 3412100), (25, 3275616), (30, 2729680), (32, 2559075), (40, 2047260), (48, 1706050), (50, 1637808), (60, 1364840), (75, 1091872), (80, 1023630), (96, 853025), (100, 818904), (120, 682420), (149, 549600), (150, 545936), (160, 511815), (200, 409452), (229, 357600), (240, 341210), (298, 274800), (300, 272968), (400, 204726), (447, 183200), (458, 178800), (480, 170605), (596, 137400), (600, 136484), (687, 119200), (745, 109920), (800, 102363), (894, 91600), (916, 89400), (1145, 71520), (1192, 68700), (1200, 68242), (1374, 59600), (1490, 54960), (1788, 45800), (1832, 44700), (2235, 36640), (2290, 35760), (2384, 34350), (2400, 34121), (2748, 29800), (2980, 27480), (3435, 23840), (3576, 22900), (3664, 22350), (3725, 21984), (4470, 18320), (4580, 17880), (4768, 17175), (5496, 14900), (5725, 14304), (5960, 13740), (6870, 11920), (7152, 11450), (7328, 11175), (7450, 10992), (8940, 9160)]