31384080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 129991680

約数和(自身を除く): 98607600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 479, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 958, 1008, 1040, 1092, 1170, 1260, 1365, 1437, 1456, 1560, 1638, 1680, 1820, 1872, 1916, 2184, 2340, 2395, 2520, 2730, 2874, 3120, 3276, 3353, 3640, 3832, 4095, 4311, 4368, 4680, 4790, 5040, 5460, 5748, 6227, 6552, 6706, 7185, 7280, 7664, 8190, 8622, 9360, 9580, 10059, 10920, 11496, 12454, 13104, 13412, 14370, 16380, 16765, 17244, 18681, 19160, 20118, 21555, 21840, 22992, 24908, 26824, 28740, 30177, 31135, 32760, 33530, 34488, 37362, 38320, 40236, 43110, 43589, 49816, 50295, 53648, 56043, 57480, 60354, 62270, 65520, 67060, 68976, 74724, 80472, 86220, 87178, 93405, 99632, 100590, 112086, 114960, 120708, 124540, 130767, 134120, 149448, 150885, 160944, 172440, 174356, 186810, 201180, 217945, 224172, 241416, 249080, 261534, 268240, 280215, 298896, 301770, 344880, 348712, 373620, 392301, 402360, 435890, 448344, 482832, 498160, 523068, 560430, 603540, 653835, 697424, 747240, 784602, 804720, 871780, 896688, 1046136, 1120860, 1207080, 1307670, 1494480, 1569204, 1743560, 1961505, 2092272, 2241720, 2414160, 2615340, 3138408, 3487120, 3923010, 4483440, 5230680, 6276816, 7846020, 10461360, 15692040, 31384080]

約数ペア:

[(1, 31384080), (2, 15692040), (3, 10461360), (4, 7846020), (5, 6276816), (6, 5230680), (7, 4483440), (8, 3923010), (9, 3487120), (10, 3138408), (12, 2615340), (13, 2414160), (14, 2241720), (15, 2092272), (16, 1961505), (18, 1743560), (20, 1569204), (21, 1494480), (24, 1307670), (26, 1207080), (28, 1120860), (30, 1046136), (35, 896688), (36, 871780), (39, 804720), (40, 784602), (42, 747240), (45, 697424), (48, 653835), (52, 603540), (56, 560430), (60, 523068), (63, 498160), (65, 482832), (70, 448344), (72, 435890), (78, 402360), (80, 392301), (84, 373620), (90, 348712), (91, 344880), (104, 301770), (105, 298896), (112, 280215), (117, 268240), (120, 261534), (126, 249080), (130, 241416), (140, 224172), (144, 217945), (156, 201180), (168, 186810), (180, 174356), (182, 172440), (195, 160944), (208, 150885), (210, 149448), (234, 134120), (240, 130767), (252, 124540), (260, 120708), (273, 114960), (280, 112086), (312, 100590), (315, 99632), (336, 93405), (360, 87178), (364, 86220), (390, 80472), (420, 74724), (455, 68976), (468, 67060), (479, 65520), (504, 62270), (520, 60354), (546, 57480), (560, 56043), (585, 53648), (624, 50295), (630, 49816), (720, 43589), (728, 43110), (780, 40236), (819, 38320), (840, 37362), (910, 34488), (936, 33530), (958, 32760), (1008, 31135), (1040, 30177), (1092, 28740), (1170, 26824), (1260, 24908), (1365, 22992), (1437, 21840), (1456, 21555), (1560, 20118), (1638, 19160), (1680, 18681), (1820, 17244), (1872, 16765), (1916, 16380), (2184, 14370), (2340, 13412), (2395, 13104), (2520, 12454), (2730, 11496), (2874, 10920), (3120, 10059), (3276, 9580), (3353, 9360), (3640, 8622), (3832, 8190), (4095, 7664), (4311, 7280), (4368, 7185), (4680, 6706), (4790, 6552), (5040, 6227), (5460, 5748)]