1381800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 5088960

約数和(自身を除く): 3707160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 49, 50, 56, 60, 70, 75, 84, 94, 98, 100, 105, 120, 140, 141, 147, 150, 168, 175, 188, 196, 200, 210, 235, 245, 280, 282, 294, 300, 329, 350, 376, 392, 420, 470, 490, 525, 564, 588, 600, 658, 700, 705, 735, 840, 940, 980, 987, 1050, 1128, 1175, 1176, 1225, 1316, 1400, 1410, 1470, 1645, 1880, 1960, 1974, 2100, 2303, 2350, 2450, 2632, 2820, 2940, 3290, 3525, 3675, 3948, 4200, 4606, 4700, 4900, 4935, 5640, 5880, 6580, 6909, 7050, 7350, 7896, 8225, 9212, 9400, 9800, 9870, 11515, 13160, 13818, 14100, 14700, 16450, 18424, 19740, 23030, 24675, 27636, 28200, 29400, 32900, 34545, 39480, 46060, 49350, 55272, 57575, 65800, 69090, 92120, 98700, 115150, 138180, 172725, 197400, 230300, 276360, 345450, 460600, 690900, 1381800]

約数ペア:

[(1, 1381800), (2, 690900), (3, 460600), (4, 345450), (5, 276360), (6, 230300), (7, 197400), (8, 172725), (10, 138180), (12, 115150), (14, 98700), (15, 92120), (20, 69090), (21, 65800), (24, 57575), (25, 55272), (28, 49350), (30, 46060), (35, 39480), (40, 34545), (42, 32900), (47, 29400), (49, 28200), (50, 27636), (56, 24675), (60, 23030), (70, 19740), (75, 18424), (84, 16450), (94, 14700), (98, 14100), (100, 13818), (105, 13160), (120, 11515), (140, 9870), (141, 9800), (147, 9400), (150, 9212), (168, 8225), (175, 7896), (188, 7350), (196, 7050), (200, 6909), (210, 6580), (235, 5880), (245, 5640), (280, 4935), (282, 4900), (294, 4700), (300, 4606), (329, 4200), (350, 3948), (376, 3675), (392, 3525), (420, 3290), (470, 2940), (490, 2820), (525, 2632), (564, 2450), (588, 2350), (600, 2303), (658, 2100), (700, 1974), (705, 1960), (735, 1880), (840, 1645), (940, 1470), (980, 1410), (987, 1400), (1050, 1316), (1128, 1225), (1175, 1176)]