247501520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 160

約数和(自身を含む): 694241280

約数和(自身を除く): 446739760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 248, 265, 269, 280, 310, 371, 424, 434, 496, 530, 538, 560, 620, 742, 848, 868, 1060, 1076, 1085, 1240, 1345, 1484, 1643, 1736, 1855, 1883, 2120, 2152, 2170, 2480, 2690, 2968, 3286, 3472, 3710, 3766, 4240, 4304, 4340, 5380, 5936, 6572, 7420, 7532, 8215, 8339, 8680, 9415, 10760, 11501, 13144, 14257, 14840, 15064, 16430, 16678, 17360, 18830, 21520, 23002, 26288, 28514, 29680, 30128, 32860, 33356, 37660, 41695, 46004, 57028, 57505, 58373, 65720, 66712, 71285, 75320, 83390, 92008, 99799, 114056, 115010, 116746, 131440, 133424, 142570, 150640, 166780, 184016, 199598, 228112, 230020, 233492, 285140, 291865, 333560, 399196, 441967, 460040, 466984, 498995, 570280, 583730, 667120, 798392, 883934, 920080, 933968, 997990, 1140560, 1167460, 1596784, 1767868, 1995980, 2209835, 2334920, 3093769, 3535736, 3991960, 4419670, 4669840, 6187538, 7071472, 7983920, 8839340, 12375076, 15468845, 17678680, 24750152, 30937690, 35357360, 49500304, 61875380, 123750760, 247501520]

約数ペア:

[(1, 247501520), (2, 123750760), (4, 61875380), (5, 49500304), (7, 35357360), (8, 30937690), (10, 24750152), (14, 17678680), (16, 15468845), (20, 12375076), (28, 8839340), (31, 7983920), (35, 7071472), (40, 6187538), (53, 4669840), (56, 4419670), (62, 3991960), (70, 3535736), (80, 3093769), (106, 2334920), (112, 2209835), (124, 1995980), (140, 1767868), (155, 1596784), (212, 1167460), (217, 1140560), (248, 997990), (265, 933968), (269, 920080), (280, 883934), (310, 798392), (371, 667120), (424, 583730), (434, 570280), (496, 498995), (530, 466984), (538, 460040), (560, 441967), (620, 399196), (742, 333560), (848, 291865), (868, 285140), (1060, 233492), (1076, 230020), (1085, 228112), (1240, 199598), (1345, 184016), (1484, 166780), (1643, 150640), (1736, 142570), (1855, 133424), (1883, 131440), (2120, 116746), (2152, 115010), (2170, 114056), (2480, 99799), (2690, 92008), (2968, 83390), (3286, 75320), (3472, 71285), (3710, 66712), (3766, 65720), (4240, 58373), (4304, 57505), (4340, 57028), (5380, 46004), (5936, 41695), (6572, 37660), (7420, 33356), (7532, 32860), (8215, 30128), (8339, 29680), (8680, 28514), (9415, 26288), (10760, 23002), (11501, 21520), (13144, 18830), (14257, 17360), (14840, 16678), (15064, 16430)]