256340520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:496

約数の個数: 192

約数和(自身を含む): 882161280

約数和(自身を除く): 625820760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 83, 90, 92, 115, 120, 138, 166, 180, 184, 207, 230, 249, 276, 332, 345, 360, 373, 414, 415, 460, 498, 552, 664, 690, 746, 747, 828, 830, 920, 996, 1035, 1119, 1245, 1380, 1492, 1494, 1656, 1660, 1865, 1909, 1992, 2070, 2238, 2490, 2760, 2984, 2988, 3320, 3357, 3730, 3735, 3818, 4140, 4476, 4980, 5595, 5727, 5976, 6714, 7460, 7470, 7636, 8280, 8579, 8952, 9545, 9960, 11190, 11454, 13428, 14920, 14940, 15272, 16785, 17158, 17181, 19090, 22380, 22908, 25737, 26856, 28635, 29880, 30959, 33570, 34316, 34362, 38180, 42895, 44760, 45816, 51474, 57270, 61918, 67140, 68632, 68724, 76360, 77211, 85790, 85905, 92877, 102948, 114540, 123836, 128685, 134280, 137448, 154422, 154795, 171580, 171810, 185754, 205896, 229080, 247672, 257370, 278631, 308844, 309590, 343160, 343620, 371508, 386055, 464385, 514740, 557262, 617688, 619180, 687240, 712057, 743016, 772110, 928770, 1029480, 1114524, 1238360, 1393155, 1424114, 1544220, 1857540, 2136171, 2229048, 2786310, 2848228, 3088440, 3560285, 3715080, 4272342, 5572620, 5696456, 6408513, 7120570, 8544684, 10680855, 11145240, 12817026, 14241140, 17089368, 21361710, 25634052, 28482280, 32042565, 42723420, 51268104, 64085130, 85446840, 128170260, 256340520]

約数ペア:

[(1, 256340520), (2, 128170260), (3, 85446840), (4, 64085130), (5, 51268104), (6, 42723420), (8, 32042565), (9, 28482280), (10, 25634052), (12, 21361710), (15, 17089368), (18, 14241140), (20, 12817026), (23, 11145240), (24, 10680855), (30, 8544684), (36, 7120570), (40, 6408513), (45, 5696456), (46, 5572620), (60, 4272342), (69, 3715080), (72, 3560285), (83, 3088440), (90, 2848228), (92, 2786310), (115, 2229048), (120, 2136171), (138, 1857540), (166, 1544220), (180, 1424114), (184, 1393155), (207, 1238360), (230, 1114524), (249, 1029480), (276, 928770), (332, 772110), (345, 743016), (360, 712057), (373, 687240), (414, 619180), (415, 617688), (460, 557262), (498, 514740), (552, 464385), (664, 386055), (690, 371508), (746, 343620), (747, 343160), (828, 309590), (830, 308844), (920, 278631), (996, 257370), (1035, 247672), (1119, 229080), (1245, 205896), (1380, 185754), (1492, 171810), (1494, 171580), (1656, 154795), (1660, 154422), (1865, 137448), (1909, 134280), (1992, 128685), (2070, 123836), (2238, 114540), (2490, 102948), (2760, 92877), (2984, 85905), (2988, 85790), (3320, 77211), (3357, 76360), (3730, 68724), (3735, 68632), (3818, 67140), (4140, 61918), (4476, 57270), (4980, 51474), (5595, 45816), (5727, 44760), (5976, 42895), (6714, 38180), (7460, 34362), (7470, 34316), (7636, 33570), (8280, 30959), (8579, 29880), (8952, 28635), (9545, 26856), (9960, 25737), (11190, 22908), (11454, 22380), (13428, 19090), (14920, 17181), (14940, 17158), (15272, 16785)]