161944000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 112

約数和(自身を含む): 414625536

約数和(自身を除く): 252681536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 653, 775, 800, 992, 1000, 1240, 1306, 1550, 1600, 1984, 2000, 2480, 2612, 3100, 3265, 3875, 4000, 4960, 5224, 6200, 6530, 7750, 8000, 9920, 10448, 12400, 13060, 15500, 16325, 20243, 20896, 24800, 26120, 31000, 32650, 40486, 41792, 49600, 52240, 62000, 65300, 80972, 81625, 101215, 104480, 124000, 130600, 161944, 163250, 202430, 208960, 248000, 261200, 323888, 326500, 404860, 506075, 522400, 647776, 653000, 809720, 1012150, 1044800, 1295552, 1306000, 1619440, 2024300, 2530375, 2612000, 3238880, 4048600, 5060750, 5224000, 6477760, 8097200, 10121500, 16194400, 20243000, 32388800, 40486000, 80972000, 161944000]

約数ペア:

[(1, 161944000), (2, 80972000), (4, 40486000), (5, 32388800), (8, 20243000), (10, 16194400), (16, 10121500), (20, 8097200), (25, 6477760), (31, 5224000), (32, 5060750), (40, 4048600), (50, 3238880), (62, 2612000), (64, 2530375), (80, 2024300), (100, 1619440), (124, 1306000), (125, 1295552), (155, 1044800), (160, 1012150), (200, 809720), (248, 653000), (250, 647776), (310, 522400), (320, 506075), (400, 404860), (496, 326500), (500, 323888), (620, 261200), (653, 248000), (775, 208960), (800, 202430), (992, 163250), (1000, 161944), (1240, 130600), (1306, 124000), (1550, 104480), (1600, 101215), (1984, 81625), (2000, 80972), (2480, 65300), (2612, 62000), (3100, 52240), (3265, 49600), (3875, 41792), (4000, 40486), (4960, 32650), (5224, 31000), (6200, 26120), (6530, 24800), (7750, 20896), (8000, 20243), (9920, 16325), (10448, 15500), (12400, 13060)]