278676720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2633}}^1$

素因数の和:2669

約数の個数: 240

約数和(自身を含む): 1117026720

約数和(自身を除く): 838350000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2633, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5266, 5292, 5880, 6615, 7056, 7560, 7899, 8820, 10532, 10584, 11760, 13165, 13230, 15120, 15798, 17640, 18431, 21064, 21168, 23697, 26330, 26460, 31596, 35280, 36862, 39495, 42128, 47394, 52660, 52920, 55293, 63192, 71091, 73724, 78990, 92155, 94788, 105320, 105840, 110586, 118485, 126384, 129017, 142182, 147448, 157980, 165879, 184310, 189576, 210640, 221172, 236970, 258034, 276465, 284364, 294896, 315960, 331758, 355455, 368620, 379152, 387051, 442344, 473940, 497637, 516068, 552930, 568728, 631920, 645085, 663516, 710910, 737240, 774102, 829395, 884688, 947880, 995274, 1032136, 1105860, 1137456, 1161153, 1290170, 1327032, 1421820, 1474480, 1548204, 1658790, 1895760, 1935255, 1990548, 2064272, 2211720, 2322306, 2488185, 2580340, 2654064, 2843640, 3096408, 3317580, 3483459, 3870510, 3981096, 4423440, 4644612, 4976370, 5160680, 5687280, 5805765, 6192816, 6635160, 6966918, 7741020, 7962192, 9289224, 9952740, 10321360, 11611530, 13270320, 13933836, 15482040, 17417295, 18578448, 19905480, 23223060, 27867672, 30964080, 34834590, 39810960, 46446120, 55735344, 69669180, 92892240, 139338360, 278676720]

約数ペア:

[(1, 278676720), (2, 139338360), (3, 92892240), (4, 69669180), (5, 55735344), (6, 46446120), (7, 39810960), (8, 34834590), (9, 30964080), (10, 27867672), (12, 23223060), (14, 19905480), (15, 18578448), (16, 17417295), (18, 15482040), (20, 13933836), (21, 13270320), (24, 11611530), (27, 10321360), (28, 9952740), (30, 9289224), (35, 7962192), (36, 7741020), (40, 6966918), (42, 6635160), (45, 6192816), (48, 5805765), (49, 5687280), (54, 5160680), (56, 4976370), (60, 4644612), (63, 4423440), (70, 3981096), (72, 3870510), (80, 3483459), (84, 3317580), (90, 3096408), (98, 2843640), (105, 2654064), (108, 2580340), (112, 2488185), (120, 2322306), (126, 2211720), (135, 2064272), (140, 1990548), (144, 1935255), (147, 1895760), (168, 1658790), (180, 1548204), (189, 1474480), (196, 1421820), (210, 1327032), (216, 1290170), (240, 1161153), (245, 1137456), (252, 1105860), (270, 1032136), (280, 995274), (294, 947880), (315, 884688), (336, 829395), (360, 774102), (378, 737240), (392, 710910), (420, 663516), (432, 645085), (441, 631920), (490, 568728), (504, 552930), (540, 516068), (560, 497637), (588, 473940), (630, 442344), (720, 387051), (735, 379152), (756, 368620), (784, 355455), (840, 331758), (882, 315960), (945, 294896), (980, 284364), (1008, 276465), (1080, 258034), (1176, 236970), (1260, 221172), (1323, 210640), (1470, 189576), (1512, 184310), (1680, 165879), (1764, 157980), (1890, 147448), (1960, 142182), (2160, 129017), (2205, 126384), (2352, 118485), (2520, 110586), (2633, 105840), (2646, 105320), (2940, 94788), (3024, 92155), (3528, 78990), (3780, 73724), (3920, 71091), (4410, 63192), (5040, 55293), (5266, 52920), (5292, 52660), (5880, 47394), (6615, 42128), (7056, 39495), (7560, 36862), (7899, 35280), (8820, 31596), (10532, 26460), (10584, 26330), (11760, 23697), (13165, 21168), (13230, 21064), (15120, 18431), (15798, 17640)]