81897200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2659}}^1$

素因数の和:2695

約数の個数: 120

約数和(自身を含む): 245400960

約数和(自身を除く): 163503760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 1100, 1232, 1400, 1540, 1925, 2200, 2659, 2800, 3080, 3850, 4400, 5318, 6160, 7700, 10636, 13295, 15400, 18613, 21272, 26590, 29249, 30800, 37226, 42544, 53180, 58498, 66475, 74452, 93065, 106360, 116996, 132950, 146245, 148904, 186130, 204743, 212720, 233992, 265900, 292490, 297808, 372260, 409486, 465325, 467984, 531800, 584980, 731225, 744520, 818972, 930650, 1023715, 1063600, 1169960, 1462450, 1489040, 1637944, 1861300, 2047430, 2339920, 2924900, 3275888, 3722600, 4094860, 5118575, 5849800, 7445200, 8189720, 10237150, 11699600, 16379440, 20474300, 40948600, 81897200]

約数ペア:

[(1, 81897200), (2, 40948600), (4, 20474300), (5, 16379440), (7, 11699600), (8, 10237150), (10, 8189720), (11, 7445200), (14, 5849800), (16, 5118575), (20, 4094860), (22, 3722600), (25, 3275888), (28, 2924900), (35, 2339920), (40, 2047430), (44, 1861300), (50, 1637944), (55, 1489040), (56, 1462450), (70, 1169960), (77, 1063600), (80, 1023715), (88, 930650), (100, 818972), (110, 744520), (112, 731225), (140, 584980), (154, 531800), (175, 467984), (176, 465325), (200, 409486), (220, 372260), (275, 297808), (280, 292490), (308, 265900), (350, 233992), (385, 212720), (400, 204743), (440, 186130), (550, 148904), (560, 146245), (616, 132950), (700, 116996), (770, 106360), (880, 93065), (1100, 74452), (1232, 66475), (1400, 58498), (1540, 53180), (1925, 42544), (2200, 37226), (2659, 30800), (2800, 29249), (3080, 26590), (3850, 21272), (4400, 18613), (5318, 15400), (6160, 13295), (7700, 10636)]