1978800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 6780816

約数和(自身を除く): 4802016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 97, 100, 102, 120, 136, 150, 170, 194, 200, 204, 240, 255, 272, 291, 300, 340, 388, 400, 408, 425, 485, 510, 582, 600, 680, 776, 816, 850, 970, 1020, 1164, 1200, 1275, 1360, 1455, 1552, 1649, 1700, 1940, 2040, 2328, 2425, 2550, 2910, 3298, 3400, 3880, 4080, 4656, 4850, 4947, 5100, 5820, 6596, 6800, 7275, 7760, 8245, 9700, 9894, 10200, 11640, 13192, 14550, 16490, 19400, 19788, 20400, 23280, 24735, 26384, 29100, 32980, 38800, 39576, 41225, 49470, 58200, 65960, 79152, 82450, 98940, 116400, 123675, 131920, 164900, 197880, 247350, 329800, 395760, 494700, 659600, 989400, 1978800]

約数ペア:

[(1, 1978800), (2, 989400), (3, 659600), (4, 494700), (5, 395760), (6, 329800), (8, 247350), (10, 197880), (12, 164900), (15, 131920), (16, 123675), (17, 116400), (20, 98940), (24, 82450), (25, 79152), (30, 65960), (34, 58200), (40, 49470), (48, 41225), (50, 39576), (51, 38800), (60, 32980), (68, 29100), (75, 26384), (80, 24735), (85, 23280), (97, 20400), (100, 19788), (102, 19400), (120, 16490), (136, 14550), (150, 13192), (170, 11640), (194, 10200), (200, 9894), (204, 9700), (240, 8245), (255, 7760), (272, 7275), (291, 6800), (300, 6596), (340, 5820), (388, 5100), (400, 4947), (408, 4850), (425, 4656), (485, 4080), (510, 3880), (582, 3400), (600, 3298), (680, 2910), (776, 2550), (816, 2425), (850, 2328), (970, 2040), (1020, 1940), (1164, 1700), (1200, 1649), (1275, 1552), (1360, 1455)]