159856000

素因数分解:

$2^7\times 5^3\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 405437760

約数和(自身を除く): 245581760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 103, 125, 128, 160, 194, 200, 206, 250, 320, 388, 400, 412, 485, 500, 515, 640, 776, 800, 824, 970, 1000, 1030, 1552, 1600, 1648, 1940, 2000, 2060, 2425, 2575, 3104, 3200, 3296, 3880, 4000, 4120, 4850, 5150, 6208, 6592, 7760, 8000, 8240, 9700, 9991, 10300, 12125, 12416, 12875, 13184, 15520, 16000, 16480, 19400, 19982, 20600, 24250, 25750, 31040, 32960, 38800, 39964, 41200, 48500, 49955, 51500, 62080, 65920, 77600, 79928, 82400, 97000, 99910, 103000, 155200, 159856, 164800, 194000, 199820, 206000, 249775, 310400, 319712, 329600, 388000, 399640, 412000, 499550, 639424, 776000, 799280, 824000, 999100, 1248875, 1278848, 1552000, 1598560, 1648000, 1998200, 2497750, 3197120, 3996400, 4995500, 6394240, 7992800, 9991000, 15985600, 19982000, 31971200, 39964000, 79928000, 159856000]

約数ペア:

[(1, 159856000), (2, 79928000), (4, 39964000), (5, 31971200), (8, 19982000), (10, 15985600), (16, 9991000), (20, 7992800), (25, 6394240), (32, 4995500), (40, 3996400), (50, 3197120), (64, 2497750), (80, 1998200), (97, 1648000), (100, 1598560), (103, 1552000), (125, 1278848), (128, 1248875), (160, 999100), (194, 824000), (200, 799280), (206, 776000), (250, 639424), (320, 499550), (388, 412000), (400, 399640), (412, 388000), (485, 329600), (500, 319712), (515, 310400), (640, 249775), (776, 206000), (800, 199820), (824, 194000), (970, 164800), (1000, 159856), (1030, 155200), (1552, 103000), (1600, 99910), (1648, 97000), (1940, 82400), (2000, 79928), (2060, 77600), (2425, 65920), (2575, 62080), (3104, 51500), (3200, 49955), (3296, 48500), (3880, 41200), (4000, 39964), (4120, 38800), (4850, 32960), (5150, 31040), (6208, 25750), (6592, 24250), (7760, 20600), (8000, 19982), (8240, 19400), (9700, 16480), (9991, 16000), (10300, 15520), (12125, 13184), (12416, 12875)]