1780920

素因数分解:

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

素因数の和:134

約数の個数: 128

約数和(自身を含む): 6350400

約数和(自身を除く): 4569480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 97, 102, 108, 120, 135, 136, 153, 170, 180, 194, 204, 216, 255, 270, 291, 306, 340, 360, 388, 408, 459, 485, 510, 540, 582, 612, 680, 765, 776, 873, 918, 970, 1020, 1080, 1164, 1224, 1455, 1530, 1649, 1746, 1836, 1940, 2040, 2295, 2328, 2619, 2910, 3060, 3298, 3492, 3672, 3880, 4365, 4590, 4947, 5238, 5820, 6120, 6596, 6984, 8245, 8730, 9180, 9894, 10476, 11640, 13095, 13192, 14841, 16490, 17460, 18360, 19788, 20952, 24735, 26190, 29682, 32980, 34920, 39576, 44523, 49470, 52380, 59364, 65960, 74205, 89046, 98940, 104760, 118728, 148410, 178092, 197880, 222615, 296820, 356184, 445230, 593640, 890460, 1780920]

約数ペア:

[(1, 1780920), (2, 890460), (3, 593640), (4, 445230), (5, 356184), (6, 296820), (8, 222615), (9, 197880), (10, 178092), (12, 148410), (15, 118728), (17, 104760), (18, 98940), (20, 89046), (24, 74205), (27, 65960), (30, 59364), (34, 52380), (36, 49470), (40, 44523), (45, 39576), (51, 34920), (54, 32980), (60, 29682), (68, 26190), (72, 24735), (85, 20952), (90, 19788), (97, 18360), (102, 17460), (108, 16490), (120, 14841), (135, 13192), (136, 13095), (153, 11640), (170, 10476), (180, 9894), (194, 9180), (204, 8730), (216, 8245), (255, 6984), (270, 6596), (291, 6120), (306, 5820), (340, 5238), (360, 4947), (388, 4590), (408, 4365), (459, 3880), (485, 3672), (510, 3492), (540, 3298), (582, 3060), (612, 2910), (680, 2619), (765, 2328), (776, 2295), (873, 2040), (918, 1940), (970, 1836), (1020, 1746), (1080, 1649), (1164, 1530), (1224, 1455)]