19510800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 63656640

約数和(自身を除く): 44145840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 71, 75, 80, 100, 120, 142, 150, 200, 213, 229, 240, 284, 300, 355, 400, 426, 458, 568, 600, 687, 710, 852, 916, 1065, 1136, 1145, 1200, 1374, 1420, 1704, 1775, 1832, 2130, 2290, 2748, 2840, 3408, 3435, 3550, 3664, 4260, 4580, 5325, 5496, 5680, 5725, 6870, 7100, 8520, 9160, 10650, 10992, 11450, 13740, 14200, 16259, 17040, 17175, 18320, 21300, 22900, 27480, 28400, 32518, 34350, 42600, 45800, 48777, 54960, 65036, 68700, 81295, 85200, 91600, 97554, 130072, 137400, 162590, 195108, 243885, 260144, 274800, 325180, 390216, 406475, 487770, 650360, 780432, 812950, 975540, 1219425, 1300720, 1625900, 1951080, 2438850, 3251800, 3902160, 4877700, 6503600, 9755400, 19510800]

約数ペア:

[(1, 19510800), (2, 9755400), (3, 6503600), (4, 4877700), (5, 3902160), (6, 3251800), (8, 2438850), (10, 1951080), (12, 1625900), (15, 1300720), (16, 1219425), (20, 975540), (24, 812950), (25, 780432), (30, 650360), (40, 487770), (48, 406475), (50, 390216), (60, 325180), (71, 274800), (75, 260144), (80, 243885), (100, 195108), (120, 162590), (142, 137400), (150, 130072), (200, 97554), (213, 91600), (229, 85200), (240, 81295), (284, 68700), (300, 65036), (355, 54960), (400, 48777), (426, 45800), (458, 42600), (568, 34350), (600, 32518), (687, 28400), (710, 27480), (852, 22900), (916, 21300), (1065, 18320), (1136, 17175), (1145, 17040), (1200, 16259), (1374, 14200), (1420, 13740), (1704, 11450), (1775, 10992), (1832, 10650), (2130, 9160), (2290, 8520), (2748, 7100), (2840, 6870), (3408, 5725), (3435, 5680), (3550, 5496), (3664, 5325), (4260, 4580)]