81305400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 279982080

約数和(自身を除く): 198676680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 97, 100, 110, 120, 127, 132, 150, 165, 194, 200, 220, 254, 264, 275, 291, 300, 330, 381, 388, 440, 485, 508, 550, 582, 600, 635, 660, 762, 776, 825, 970, 1016, 1067, 1100, 1164, 1270, 1320, 1397, 1455, 1524, 1650, 1905, 1940, 2134, 2200, 2328, 2425, 2540, 2794, 2910, 3048, 3175, 3201, 3300, 3810, 3880, 4191, 4268, 4850, 5080, 5335, 5588, 5820, 6350, 6402, 6600, 6985, 7275, 7620, 8382, 8536, 9525, 9700, 10670, 11176, 11640, 12319, 12700, 12804, 13970, 14550, 15240, 16005, 16764, 19050, 19400, 20955, 21340, 24638, 25400, 25608, 26675, 27940, 29100, 32010, 33528, 34925, 36957, 38100, 41910, 42680, 49276, 53350, 55880, 58200, 61595, 64020, 69850, 73914, 76200, 80025, 83820, 98552, 104775, 106700, 123190, 128040, 135509, 139700, 147828, 160050, 167640, 184785, 209550, 213400, 246380, 271018, 279400, 295656, 307975, 320100, 369570, 406527, 419100, 492760, 542036, 615950, 640200, 677545, 739140, 813054, 838200, 923925, 1084072, 1231900, 1355090, 1478280, 1626108, 1847850, 2032635, 2463800, 2710180, 3252216, 3387725, 3695700, 4065270, 5420360, 6775450, 7391400, 8130540, 10163175, 13550900, 16261080, 20326350, 27101800, 40652700, 81305400]

約数ペア:

[(1, 81305400), (2, 40652700), (3, 27101800), (4, 20326350), (5, 16261080), (6, 13550900), (8, 10163175), (10, 8130540), (11, 7391400), (12, 6775450), (15, 5420360), (20, 4065270), (22, 3695700), (24, 3387725), (25, 3252216), (30, 2710180), (33, 2463800), (40, 2032635), (44, 1847850), (50, 1626108), (55, 1478280), (60, 1355090), (66, 1231900), (75, 1084072), (88, 923925), (97, 838200), (100, 813054), (110, 739140), (120, 677545), (127, 640200), (132, 615950), (150, 542036), (165, 492760), (194, 419100), (200, 406527), (220, 369570), (254, 320100), (264, 307975), (275, 295656), (291, 279400), (300, 271018), (330, 246380), (381, 213400), (388, 209550), (440, 184785), (485, 167640), (508, 160050), (550, 147828), (582, 139700), (600, 135509), (635, 128040), (660, 123190), (762, 106700), (776, 104775), (825, 98552), (970, 83820), (1016, 80025), (1067, 76200), (1100, 73914), (1164, 69850), (1270, 64020), (1320, 61595), (1397, 58200), (1455, 55880), (1524, 53350), (1650, 49276), (1905, 42680), (1940, 41910), (2134, 38100), (2200, 36957), (2328, 34925), (2425, 33528), (2540, 32010), (2794, 29100), (2910, 27940), (3048, 26675), (3175, 25608), (3201, 25400), (3300, 24638), (3810, 21340), (3880, 20955), (4191, 19400), (4268, 19050), (4850, 16764), (5080, 16005), (5335, 15240), (5588, 14550), (5820, 13970), (6350, 12804), (6402, 12700), (6600, 12319), (6985, 11640), (7275, 11176), (7620, 10670), (8382, 9700), (8536, 9525)]