231492240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 240

約数和(自身を含む): 927583488

約数和(自身を除く): 696091248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 1997, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 3994, 4140, 4830, 5040, 5520, 5796, 5991, 6440, 7245, 7728, 7988, 8280, 9660, 9985, 11592, 11982, 12880, 13979, 14490, 15976, 16560, 17973, 19320, 19970, 23184, 23964, 27958, 28980, 29955, 31952, 35946, 38640, 39940, 41937, 45931, 47928, 55916, 57960, 59910, 69895, 71892, 79880, 83874, 89865, 91862, 95856, 111832, 115920, 119820, 125811, 137793, 139790, 143784, 159760, 167748, 179730, 183724, 209685, 223664, 229655, 239640, 251622, 275586, 279580, 287568, 321517, 335496, 359460, 367448, 413379, 419370, 459310, 479280, 503244, 551172, 559160, 629055, 643034, 670992, 688965, 718920, 734896, 826758, 838740, 918620, 964551, 1006488, 1102344, 1118320, 1258110, 1286068, 1377930, 1437840, 1607585, 1653516, 1677480, 1837240, 1929102, 2012976, 2066895, 2204688, 2516220, 2572136, 2755860, 2893653, 3215170, 3307032, 3354960, 3674480, 3858204, 4133790, 4822755, 5032440, 5144272, 5511720, 5787306, 6430340, 6614064, 7716408, 8267580, 9645510, 10064880, 11023440, 11574612, 12860680, 14468265, 15432816, 16535160, 19291020, 23149224, 25721360, 28936530, 33070320, 38582040, 46298448, 57873060, 77164080, 115746120, 231492240]

約数ペア:

[(1, 231492240), (2, 115746120), (3, 77164080), (4, 57873060), (5, 46298448), (6, 38582040), (7, 33070320), (8, 28936530), (9, 25721360), (10, 23149224), (12, 19291020), (14, 16535160), (15, 15432816), (16, 14468265), (18, 12860680), (20, 11574612), (21, 11023440), (23, 10064880), (24, 9645510), (28, 8267580), (30, 7716408), (35, 6614064), (36, 6430340), (40, 5787306), (42, 5511720), (45, 5144272), (46, 5032440), (48, 4822755), (56, 4133790), (60, 3858204), (63, 3674480), (69, 3354960), (70, 3307032), (72, 3215170), (80, 2893653), (84, 2755860), (90, 2572136), (92, 2516220), (105, 2204688), (112, 2066895), (115, 2012976), (120, 1929102), (126, 1837240), (138, 1677480), (140, 1653516), (144, 1607585), (161, 1437840), (168, 1377930), (180, 1286068), (184, 1258110), (207, 1118320), (210, 1102344), (230, 1006488), (240, 964551), (252, 918620), (276, 838740), (280, 826758), (315, 734896), (322, 718920), (336, 688965), (345, 670992), (360, 643034), (368, 629055), (414, 559160), (420, 551172), (460, 503244), (483, 479280), (504, 459310), (552, 419370), (560, 413379), (630, 367448), (644, 359460), (690, 335496), (720, 321517), (805, 287568), (828, 279580), (840, 275586), (920, 251622), (966, 239640), (1008, 229655), (1035, 223664), (1104, 209685), (1260, 183724), (1288, 179730), (1380, 167748), (1449, 159760), (1610, 143784), (1656, 139790), (1680, 137793), (1840, 125811), (1932, 119820), (1997, 115920), (2070, 111832), (2415, 95856), (2520, 91862), (2576, 89865), (2760, 83874), (2898, 79880), (3220, 71892), (3312, 69895), (3864, 59910), (3994, 57960), (4140, 55916), (4830, 47928), (5040, 45931), (5520, 41937), (5796, 39940), (5991, 38640), (6440, 35946), (7245, 31952), (7728, 29955), (7988, 28980), (8280, 27958), (9660, 23964), (9985, 23184), (11592, 19970), (11982, 19320), (12880, 17973), (13979, 16560), (14490, 15976)]