290962560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21649}}^1$

素因数の和:21678

約数の個数: 128

約数和(自身を含む): 1059984000

約数和(自身を除く): 769021440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21649, 43298, 64947, 86596, 108245, 129894, 151543, 173192, 216490, 259788, 303086, 324735, 346384, 432980, 454629, 519576, 606172, 649470, 692768, 757715, 865960, 909258, 1039152, 1212344, 1298940, 1385536, 1515430, 1731920, 1818516, 2078304, 2273145, 2424688, 2597880, 2771072, 3030860, 3463840, 3637032, 4156608, 4546290, 4849376, 5195760, 6061720, 6927680, 7274064, 8313216, 9092580, 9698752, 10391520, 12123440, 13855360, 14548128, 18185160, 19397504, 20783040, 24246880, 29096256, 36370320, 41566080, 48493760, 58192512, 72740640, 96987520, 145481280, 290962560]

約数ペア:

[(1, 290962560), (2, 145481280), (3, 96987520), (4, 72740640), (5, 58192512), (6, 48493760), (7, 41566080), (8, 36370320), (10, 29096256), (12, 24246880), (14, 20783040), (15, 19397504), (16, 18185160), (20, 14548128), (21, 13855360), (24, 12123440), (28, 10391520), (30, 9698752), (32, 9092580), (35, 8313216), (40, 7274064), (42, 6927680), (48, 6061720), (56, 5195760), (60, 4849376), (64, 4546290), (70, 4156608), (80, 3637032), (84, 3463840), (96, 3030860), (105, 2771072), (112, 2597880), (120, 2424688), (128, 2273145), (140, 2078304), (160, 1818516), (168, 1731920), (192, 1515430), (210, 1385536), (224, 1298940), (240, 1212344), (280, 1039152), (320, 909258), (336, 865960), (384, 757715), (420, 692768), (448, 649470), (480, 606172), (560, 519576), (640, 454629), (672, 432980), (840, 346384), (896, 324735), (960, 303086), (1120, 259788), (1344, 216490), (1680, 173192), (1920, 151543), (2240, 129894), (2688, 108245), (3360, 86596), (4480, 64947), (6720, 43298), (13440, 21649)]