262530720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 240

約数和(自身を含む): 948423168

約数和(自身を除く): 685892448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 96, 108, 120, 135, 141, 144, 160, 162, 180, 188, 216, 235, 240, 270, 282, 288, 324, 360, 376, 405, 423, 431, 432, 470, 480, 540, 564, 648, 705, 720, 752, 810, 846, 862, 864, 940, 1080, 1128, 1269, 1293, 1296, 1410, 1440, 1504, 1620, 1692, 1724, 1880, 2115, 2155, 2160, 2256, 2538, 2586, 2592, 2820, 3240, 3384, 3448, 3760, 3807, 3879, 4230, 4310, 4320, 4512, 5076, 5172, 5640, 6345, 6465, 6480, 6768, 6896, 7520, 7614, 7758, 8460, 8620, 10152, 10344, 11280, 11637, 12690, 12930, 12960, 13536, 13792, 15228, 15516, 16920, 17240, 19035, 19395, 20257, 20304, 20688, 22560, 23274, 25380, 25860, 30456, 31032, 33840, 34480, 34911, 38070, 38790, 40514, 40608, 41376, 46548, 50760, 51720, 58185, 60771, 60912, 62064, 67680, 68960, 69822, 76140, 77580, 81028, 93096, 101285, 101520, 103440, 116370, 121542, 121824, 124128, 139644, 152280, 155160, 162056, 174555, 182313, 186192, 202570, 203040, 206880, 232740, 243084, 279288, 303855, 304560, 310320, 324112, 349110, 364626, 372384, 405140, 465480, 486168, 546939, 558576, 607710, 609120, 620640, 648224, 698220, 729252, 810280, 911565, 930960, 972336, 1093878, 1117152, 1215420, 1396440, 1458504, 1620560, 1640817, 1823130, 1861920, 1944672, 2187756, 2430840, 2734695, 2792880, 2917008, 3241120, 3281634, 3646260, 4375512, 4861680, 5469390, 5585760, 5834016, 6563268, 7292520, 8204085, 8751024, 9723360, 10938780, 13126536, 14585040, 16408170, 17502048, 21877560, 26253072, 29170080, 32816340, 43755120, 52506144, 65632680, 87510240, 131265360, 262530720]

約数ペア:

[(1, 262530720), (2, 131265360), (3, 87510240), (4, 65632680), (5, 52506144), (6, 43755120), (8, 32816340), (9, 29170080), (10, 26253072), (12, 21877560), (15, 17502048), (16, 16408170), (18, 14585040), (20, 13126536), (24, 10938780), (27, 9723360), (30, 8751024), (32, 8204085), (36, 7292520), (40, 6563268), (45, 5834016), (47, 5585760), (48, 5469390), (54, 4861680), (60, 4375512), (72, 3646260), (80, 3281634), (81, 3241120), (90, 2917008), (94, 2792880), (96, 2734695), (108, 2430840), (120, 2187756), (135, 1944672), (141, 1861920), (144, 1823130), (160, 1640817), (162, 1620560), (180, 1458504), (188, 1396440), (216, 1215420), (235, 1117152), (240, 1093878), (270, 972336), (282, 930960), (288, 911565), (324, 810280), (360, 729252), (376, 698220), (405, 648224), (423, 620640), (431, 609120), (432, 607710), (470, 558576), (480, 546939), (540, 486168), (564, 465480), (648, 405140), (705, 372384), (720, 364626), (752, 349110), (810, 324112), (846, 310320), (862, 304560), (864, 303855), (940, 279288), (1080, 243084), (1128, 232740), (1269, 206880), (1293, 203040), (1296, 202570), (1410, 186192), (1440, 182313), (1504, 174555), (1620, 162056), (1692, 155160), (1724, 152280), (1880, 139644), (2115, 124128), (2155, 121824), (2160, 121542), (2256, 116370), (2538, 103440), (2586, 101520), (2592, 101285), (2820, 93096), (3240, 81028), (3384, 77580), (3448, 76140), (3760, 69822), (3807, 68960), (3879, 67680), (4230, 62064), (4310, 60912), (4320, 60771), (4512, 58185), (5076, 51720), (5172, 50760), (5640, 46548), (6345, 41376), (6465, 40608), (6480, 40514), (6768, 38790), (6896, 38070), (7520, 34911), (7614, 34480), (7758, 33840), (8460, 31032), (8620, 30456), (10152, 25860), (10344, 25380), (11280, 23274), (11637, 22560), (12690, 20688), (12930, 20304), (12960, 20257), (13536, 19395), (13792, 19035), (15228, 17240), (15516, 16920)]