261020880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 240

約数和(自身を含む): 942439680

約数和(自身を除く): 681418800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 243, 261, 270, 290, 324, 348, 360, 405, 432, 435, 463, 464, 486, 522, 540, 580, 648, 696, 720, 783, 810, 870, 926, 972, 1044, 1080, 1160, 1215, 1296, 1305, 1389, 1392, 1566, 1620, 1740, 1852, 1944, 2088, 2160, 2315, 2320, 2349, 2430, 2610, 2778, 3132, 3240, 3480, 3704, 3888, 3915, 4167, 4176, 4630, 4698, 4860, 5220, 5556, 6264, 6480, 6945, 6960, 7047, 7408, 7830, 8334, 9260, 9396, 9720, 10440, 11112, 11745, 12501, 12528, 13427, 13890, 14094, 15660, 16668, 18520, 18792, 19440, 20835, 20880, 22224, 23490, 25002, 26854, 27780, 28188, 31320, 33336, 35235, 37040, 37503, 37584, 40281, 41670, 46980, 50004, 53708, 55560, 56376, 62505, 62640, 66672, 67135, 70470, 75006, 80562, 83340, 93960, 100008, 107416, 111120, 112509, 112752, 120843, 125010, 134270, 140940, 150012, 161124, 166680, 187515, 187920, 200016, 201405, 214832, 225018, 241686, 250020, 268540, 281880, 300024, 322248, 333360, 362529, 375030, 402810, 450036, 483372, 500040, 537080, 562545, 563760, 600048, 604215, 644496, 725058, 750060, 805620, 900072, 966744, 1000080, 1074160, 1087587, 1125090, 1208430, 1450116, 1500120, 1611240, 1800144, 1812645, 1933488, 2175174, 2250180, 2416860, 2900232, 3000240, 3222480, 3262761, 3625290, 4350348, 4500360, 4833720, 5437935, 5800464, 6525522, 7250580, 8700696, 9000720, 9667440, 10875870, 13051044, 14501160, 16313805, 17401392, 21751740, 26102088, 29002320, 32627610, 43503480, 52204176, 65255220, 87006960, 130510440, 261020880]

約数ペア:

[(1, 261020880), (2, 130510440), (3, 87006960), (4, 65255220), (5, 52204176), (6, 43503480), (8, 32627610), (9, 29002320), (10, 26102088), (12, 21751740), (15, 17401392), (16, 16313805), (18, 14501160), (20, 13051044), (24, 10875870), (27, 9667440), (29, 9000720), (30, 8700696), (36, 7250580), (40, 6525522), (45, 5800464), (48, 5437935), (54, 4833720), (58, 4500360), (60, 4350348), (72, 3625290), (80, 3262761), (81, 3222480), (87, 3000240), (90, 2900232), (108, 2416860), (116, 2250180), (120, 2175174), (135, 1933488), (144, 1812645), (145, 1800144), (162, 1611240), (174, 1500120), (180, 1450116), (216, 1208430), (232, 1125090), (240, 1087587), (243, 1074160), (261, 1000080), (270, 966744), (290, 900072), (324, 805620), (348, 750060), (360, 725058), (405, 644496), (432, 604215), (435, 600048), (463, 563760), (464, 562545), (486, 537080), (522, 500040), (540, 483372), (580, 450036), (648, 402810), (696, 375030), (720, 362529), (783, 333360), (810, 322248), (870, 300024), (926, 281880), (972, 268540), (1044, 250020), (1080, 241686), (1160, 225018), (1215, 214832), (1296, 201405), (1305, 200016), (1389, 187920), (1392, 187515), (1566, 166680), (1620, 161124), (1740, 150012), (1852, 140940), (1944, 134270), (2088, 125010), (2160, 120843), (2315, 112752), (2320, 112509), (2349, 111120), (2430, 107416), (2610, 100008), (2778, 93960), (3132, 83340), (3240, 80562), (3480, 75006), (3704, 70470), (3888, 67135), (3915, 66672), (4167, 62640), (4176, 62505), (4630, 56376), (4698, 55560), (4860, 53708), (5220, 50004), (5556, 46980), (6264, 41670), (6480, 40281), (6945, 37584), (6960, 37503), (7047, 37040), (7408, 35235), (7830, 33336), (8334, 31320), (9260, 28188), (9396, 27780), (9720, 26854), (10440, 25002), (11112, 23490), (11745, 22224), (12501, 20880), (12528, 20835), (13427, 19440), (13890, 18792), (14094, 18520), (15660, 16668)]