1981200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 6888448

約数和(自身を除く): 4907248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 127, 130, 150, 156, 195, 200, 208, 240, 254, 260, 300, 312, 325, 381, 390, 400, 508, 520, 600, 624, 635, 650, 762, 780, 975, 1016, 1040, 1200, 1270, 1300, 1524, 1560, 1651, 1905, 1950, 2032, 2540, 2600, 3048, 3120, 3175, 3302, 3810, 3900, 4953, 5080, 5200, 6096, 6350, 6604, 7620, 7800, 8255, 9525, 9906, 10160, 12700, 13208, 15240, 15600, 16510, 19050, 19812, 24765, 25400, 26416, 30480, 33020, 38100, 39624, 41275, 49530, 50800, 66040, 76200, 79248, 82550, 99060, 123825, 132080, 152400, 165100, 198120, 247650, 330200, 396240, 495300, 660400, 990600, 1981200]

約数ペア:

[(1, 1981200), (2, 990600), (3, 660400), (4, 495300), (5, 396240), (6, 330200), (8, 247650), (10, 198120), (12, 165100), (13, 152400), (15, 132080), (16, 123825), (20, 99060), (24, 82550), (25, 79248), (26, 76200), (30, 66040), (39, 50800), (40, 49530), (48, 41275), (50, 39624), (52, 38100), (60, 33020), (65, 30480), (75, 26416), (78, 25400), (80, 24765), (100, 19812), (104, 19050), (120, 16510), (127, 15600), (130, 15240), (150, 13208), (156, 12700), (195, 10160), (200, 9906), (208, 9525), (240, 8255), (254, 7800), (260, 7620), (300, 6604), (312, 6350), (325, 6096), (381, 5200), (390, 5080), (400, 4953), (508, 3900), (520, 3810), (600, 3302), (624, 3175), (635, 3120), (650, 3048), (762, 2600), (780, 2540), (975, 2032), (1016, 1950), (1040, 1905), (1200, 1651), (1270, 1560), (1300, 1524)]