268541280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{26641}}^1$

素因数の和:26669

約数の個数: 144

約数和(自身を含む): 1047350304

約数和(自身を除く): 778809024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 26641, 53282, 79923, 106564, 133205, 159846, 186487, 213128, 239769, 266410, 319692, 372974, 399615, 426256, 479538, 532820, 559461, 639384, 745948, 799230, 852512, 932435, 959076, 1065640, 1118922, 1198845, 1278768, 1491896, 1598460, 1678383, 1864870, 1918152, 2131280, 2237844, 2397690, 2557536, 2797305, 2983792, 3196920, 3356766, 3729740, 3836304, 4262560, 4475688, 4795380, 5594610, 5967584, 6393840, 6713532, 7459480, 7672608, 8391915, 8951376, 9590760, 11189220, 12787680, 13427064, 14918960, 16783830, 17902752, 19181520, 22378440, 26854128, 29837920, 33567660, 38363040, 44756880, 53708256, 67135320, 89513760, 134270640, 268541280]

約数ペア:

[(1, 268541280), (2, 134270640), (3, 89513760), (4, 67135320), (5, 53708256), (6, 44756880), (7, 38363040), (8, 33567660), (9, 29837920), (10, 26854128), (12, 22378440), (14, 19181520), (15, 17902752), (16, 16783830), (18, 14918960), (20, 13427064), (21, 12787680), (24, 11189220), (28, 9590760), (30, 8951376), (32, 8391915), (35, 7672608), (36, 7459480), (40, 6713532), (42, 6393840), (45, 5967584), (48, 5594610), (56, 4795380), (60, 4475688), (63, 4262560), (70, 3836304), (72, 3729740), (80, 3356766), (84, 3196920), (90, 2983792), (96, 2797305), (105, 2557536), (112, 2397690), (120, 2237844), (126, 2131280), (140, 1918152), (144, 1864870), (160, 1678383), (168, 1598460), (180, 1491896), (210, 1278768), (224, 1198845), (240, 1118922), (252, 1065640), (280, 959076), (288, 932435), (315, 852512), (336, 799230), (360, 745948), (420, 639384), (480, 559461), (504, 532820), (560, 479538), (630, 426256), (672, 399615), (720, 372974), (840, 319692), (1008, 266410), (1120, 239769), (1260, 213128), (1440, 186487), (1680, 159846), (2016, 133205), (2520, 106564), (3360, 79923), (5040, 53282), (10080, 26641)]