254206680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23279}}^1$

素因数の和:23313

約数の個数: 128

約数和(自身を含む): 938649600

約数和(自身を除く): 684442920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 23279, 46558, 69837, 93116, 116395, 139674, 162953, 186232, 232790, 279348, 302627, 325906, 349185, 465580, 488859, 558696, 605254, 651812, 698370, 814765, 907881, 931160, 977718, 1210508, 1303624, 1396740, 1513135, 1629530, 1815762, 1955436, 2118389, 2421016, 2444295, 2793480, 3026270, 3259060, 3631524, 3910872, 4236778, 4539405, 4888590, 6052540, 6355167, 6518120, 7263048, 8473556, 9078810, 9777180, 10591945, 12105080, 12710334, 16947112, 18157620, 19554360, 21183890, 25420668, 31775835, 36315240, 42367780, 50841336, 63551670, 84735560, 127103340, 254206680]

約数ペア:

[(1, 254206680), (2, 127103340), (3, 84735560), (4, 63551670), (5, 50841336), (6, 42367780), (7, 36315240), (8, 31775835), (10, 25420668), (12, 21183890), (13, 19554360), (14, 18157620), (15, 16947112), (20, 12710334), (21, 12105080), (24, 10591945), (26, 9777180), (28, 9078810), (30, 8473556), (35, 7263048), (39, 6518120), (40, 6355167), (42, 6052540), (52, 4888590), (56, 4539405), (60, 4236778), (65, 3910872), (70, 3631524), (78, 3259060), (84, 3026270), (91, 2793480), (104, 2444295), (105, 2421016), (120, 2118389), (130, 1955436), (140, 1815762), (156, 1629530), (168, 1513135), (182, 1396740), (195, 1303624), (210, 1210508), (260, 977718), (273, 931160), (280, 907881), (312, 814765), (364, 698370), (390, 651812), (420, 605254), (455, 558696), (520, 488859), (546, 465580), (728, 349185), (780, 325906), (840, 302627), (910, 279348), (1092, 232790), (1365, 186232), (1560, 162953), (1820, 139674), (2184, 116395), (2730, 93116), (3640, 69837), (5460, 46558), (10920, 23279)]