248115840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18461}}^1$

素因数の和:18490

約数の個数: 128

約数和(自身を含む): 903899520

約数和(自身を除く): 655783680

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, 18461, 36922, 55383, 73844, 92305, 110766, 129227, 147688, 184610, 221532, 258454, 276915, 295376, 369220, 387681, 443064, 516908, 553830, 590752, 646135, 738440, 775362, 886128, 1033816, 1107660, 1181504, 1292270, 1476880, 1550724, 1772256, 1938405, 2067632, 2215320, 2363008, 2584540, 2953760, 3101448, 3544512, 3876810, 4135264, 4430640, 5169080, 5907520, 6202896, 7089024, 7753620, 8270528, 8861280, 10338160, 11815040, 12405792, 15507240, 16541056, 17722560, 20676320, 24811584, 31014480, 35445120, 41352640, 49623168, 62028960, 82705280, 124057920, 248115840]

約数ペア:

[(1, 248115840), (2, 124057920), (3, 82705280), (4, 62028960), (5, 49623168), (6, 41352640), (7, 35445120), (8, 31014480), (10, 24811584), (12, 20676320), (14, 17722560), (15, 16541056), (16, 15507240), (20, 12405792), (21, 11815040), (24, 10338160), (28, 8861280), (30, 8270528), (32, 7753620), (35, 7089024), (40, 6202896), (42, 5907520), (48, 5169080), (56, 4430640), (60, 4135264), (64, 3876810), (70, 3544512), (80, 3101448), (84, 2953760), (96, 2584540), (105, 2363008), (112, 2215320), (120, 2067632), (128, 1938405), (140, 1772256), (160, 1550724), (168, 1476880), (192, 1292270), (210, 1181504), (224, 1107660), (240, 1033816), (280, 886128), (320, 775362), (336, 738440), (384, 646135), (420, 590752), (448, 553830), (480, 516908), (560, 443064), (640, 387681), (672, 369220), (840, 295376), (896, 276915), (960, 258454), (1120, 221532), (1344, 184610), (1680, 147688), (1920, 129227), (2240, 110766), (2688, 92305), (3360, 73844), (4480, 55383), (6720, 36922), (13440, 18461)]