128835840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{4793}}^1$

素因数の和:4824

約数の個数: 144

約数和(自身を含む): 470348928

約数和(自身を除く): 341513088

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 4793, 5376, 6720, 8960, 9586, 13440, 14379, 19172, 23965, 26880, 28758, 33551, 38344, 47930, 57516, 67102, 71895, 76688, 95860, 100653, 115032, 134204, 143790, 153376, 167755, 191720, 201306, 230064, 268408, 287580, 306752, 335510, 383440, 402612, 460128, 503265, 536816, 575160, 613504, 671020, 766880, 805224, 920256, 1006530, 1073632, 1150320, 1227008, 1342040, 1533760, 1610448, 1840512, 2013060, 2147264, 2300640, 2684080, 3067520, 3220896, 3681024, 4026120, 4294528, 4601280, 5368160, 6135040, 6441792, 8052240, 8589056, 9202560, 10736320, 12883584, 16104480, 18405120, 21472640, 25767168, 32208960, 42945280, 64417920, 128835840]

約数ペア:

[(1, 128835840), (2, 64417920), (3, 42945280), (4, 32208960), (5, 25767168), (6, 21472640), (7, 18405120), (8, 16104480), (10, 12883584), (12, 10736320), (14, 9202560), (15, 8589056), (16, 8052240), (20, 6441792), (21, 6135040), (24, 5368160), (28, 4601280), (30, 4294528), (32, 4026120), (35, 3681024), (40, 3220896), (42, 3067520), (48, 2684080), (56, 2300640), (60, 2147264), (64, 2013060), (70, 1840512), (80, 1610448), (84, 1533760), (96, 1342040), (105, 1227008), (112, 1150320), (120, 1073632), (128, 1006530), (140, 920256), (160, 805224), (168, 766880), (192, 671020), (210, 613504), (224, 575160), (240, 536816), (256, 503265), (280, 460128), (320, 402612), (336, 383440), (384, 335510), (420, 306752), (448, 287580), (480, 268408), (560, 230064), (640, 201306), (672, 191720), (768, 167755), (840, 153376), (896, 143790), (960, 134204), (1120, 115032), (1280, 100653), (1344, 95860), (1680, 76688), (1792, 71895), (1920, 67102), (2240, 57516), (2688, 47930), (3360, 38344), (3840, 33551), (4480, 28758), (4793, 26880), (5376, 23965), (6720, 19172), (8960, 14379), (9586, 13440)]