131363120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 390832128

約数和(自身を除く): 259469008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 47, 49, 56, 62, 70, 80, 92, 94, 98, 112, 115, 124, 140, 155, 161, 184, 188, 196, 217, 230, 235, 245, 248, 280, 310, 322, 329, 368, 376, 392, 434, 460, 470, 490, 496, 560, 620, 644, 658, 713, 752, 784, 805, 868, 920, 940, 980, 1081, 1085, 1127, 1240, 1288, 1316, 1426, 1457, 1519, 1610, 1645, 1736, 1840, 1880, 1960, 2162, 2170, 2254, 2303, 2480, 2576, 2632, 2852, 2914, 3038, 3220, 3290, 3472, 3565, 3760, 3920, 4324, 4340, 4508, 4606, 4991, 5264, 5405, 5635, 5704, 5828, 6076, 6440, 6580, 7130, 7285, 7567, 7595, 8648, 8680, 9016, 9212, 9982, 10199, 10810, 11270, 11408, 11515, 11656, 12152, 12880, 13160, 14260, 14570, 15134, 15190, 17296, 17360, 18032, 18424, 19964, 20398, 21620, 22540, 23030, 23312, 24304, 24955, 26320, 28520, 29140, 30268, 30380, 33511, 34937, 36848, 37835, 39928, 40796, 43240, 45080, 46060, 49910, 50995, 52969, 57040, 58280, 60536, 60760, 67022, 69874, 71393, 75670, 79856, 81592, 86480, 90160, 92120, 99820, 101990, 105938, 116560, 121072, 121520, 134044, 139748, 142786, 151340, 163184, 167555, 174685, 184240, 199640, 203980, 211876, 234577, 264845, 268088, 279496, 285572, 302680, 335110, 349370, 356965, 399280, 407960, 423752, 469154, 529690, 536176, 558992, 571144, 605360, 670220, 698740, 713930, 815920, 847504, 938308, 1059380, 1142288, 1172885, 1340440, 1397480, 1427860, 1642039, 1876616, 2118760, 2345770, 2680880, 2794960, 2855720, 3284078, 3753232, 4237520, 4691540, 5711440, 6568156, 8210195, 9383080, 13136312, 16420390, 18766160, 26272624, 32840780, 65681560, 131363120]

約数ペア:

[(1, 131363120), (2, 65681560), (4, 32840780), (5, 26272624), (7, 18766160), (8, 16420390), (10, 13136312), (14, 9383080), (16, 8210195), (20, 6568156), (23, 5711440), (28, 4691540), (31, 4237520), (35, 3753232), (40, 3284078), (46, 2855720), (47, 2794960), (49, 2680880), (56, 2345770), (62, 2118760), (70, 1876616), (80, 1642039), (92, 1427860), (94, 1397480), (98, 1340440), (112, 1172885), (115, 1142288), (124, 1059380), (140, 938308), (155, 847504), (161, 815920), (184, 713930), (188, 698740), (196, 670220), (217, 605360), (230, 571144), (235, 558992), (245, 536176), (248, 529690), (280, 469154), (310, 423752), (322, 407960), (329, 399280), (368, 356965), (376, 349370), (392, 335110), (434, 302680), (460, 285572), (470, 279496), (490, 268088), (496, 264845), (560, 234577), (620, 211876), (644, 203980), (658, 199640), (713, 184240), (752, 174685), (784, 167555), (805, 163184), (868, 151340), (920, 142786), (940, 139748), (980, 134044), (1081, 121520), (1085, 121072), (1127, 116560), (1240, 105938), (1288, 101990), (1316, 99820), (1426, 92120), (1457, 90160), (1519, 86480), (1610, 81592), (1645, 79856), (1736, 75670), (1840, 71393), (1880, 69874), (1960, 67022), (2162, 60760), (2170, 60536), (2254, 58280), (2303, 57040), (2480, 52969), (2576, 50995), (2632, 49910), (2852, 46060), (2914, 45080), (3038, 43240), (3220, 40796), (3290, 39928), (3472, 37835), (3565, 36848), (3760, 34937), (3920, 33511), (4324, 30380), (4340, 30268), (4508, 29140), (4606, 28520), (4991, 26320), (5264, 24955), (5405, 24304), (5635, 23312), (5704, 23030), (5828, 22540), (6076, 21620), (6440, 20398), (6580, 19964), (7130, 18424), (7285, 18032), (7567, 17360), (7595, 17296), (8648, 15190), (8680, 15134), (9016, 14570), (9212, 14260), (9982, 13160), (10199, 12880), (10810, 12152), (11270, 11656), (11408, 11515)]