258840960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19259}}^1$

素因数の和:19288

約数の個数: 128

約数和(自身を含む): 942969600

約数和(自身を除く): 684128640

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, 19259, 38518, 57777, 77036, 96295, 115554, 134813, 154072, 192590, 231108, 269626, 288885, 308144, 385180, 404439, 462216, 539252, 577770, 616288, 674065, 770360, 808878, 924432, 1078504, 1155540, 1232576, 1348130, 1540720, 1617756, 1848864, 2022195, 2157008, 2311080, 2465152, 2696260, 3081440, 3235512, 3697728, 4044390, 4314016, 4622160, 5392520, 6162880, 6471024, 7395456, 8088780, 8628032, 9244320, 10785040, 12325760, 12942048, 16177560, 17256064, 18488640, 21570080, 25884096, 32355120, 36977280, 43140160, 51768192, 64710240, 86280320, 129420480, 258840960]

約数ペア:

[(1, 258840960), (2, 129420480), (3, 86280320), (4, 64710240), (5, 51768192), (6, 43140160), (7, 36977280), (8, 32355120), (10, 25884096), (12, 21570080), (14, 18488640), (15, 17256064), (16, 16177560), (20, 12942048), (21, 12325760), (24, 10785040), (28, 9244320), (30, 8628032), (32, 8088780), (35, 7395456), (40, 6471024), (42, 6162880), (48, 5392520), (56, 4622160), (60, 4314016), (64, 4044390), (70, 3697728), (80, 3235512), (84, 3081440), (96, 2696260), (105, 2465152), (112, 2311080), (120, 2157008), (128, 2022195), (140, 1848864), (160, 1617756), (168, 1540720), (192, 1348130), (210, 1232576), (224, 1155540), (240, 1078504), (280, 924432), (320, 808878), (336, 770360), (384, 674065), (420, 616288), (448, 577770), (480, 539252), (560, 462216), (640, 404439), (672, 385180), (840, 308144), (896, 288885), (960, 269626), (1120, 231108), (1344, 192590), (1680, 154072), (1920, 134813), (2240, 115554), (2688, 96295), (3360, 77036), (4480, 57777), (6720, 38518), (13440, 19259)]