640147056

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:918

約数の個数: 80

約数和(自身を含む): 1679130624

約数和(自身を除く): 1038983568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 173, 254, 346, 381, 508, 519, 607, 692, 762, 1016, 1038, 1214, 1384, 1524, 1821, 2032, 2076, 2428, 2768, 3048, 3642, 4152, 4856, 6096, 7284, 8304, 9712, 14568, 21971, 29136, 43942, 65913, 77089, 87884, 105011, 131826, 154178, 175768, 210022, 231267, 263652, 308356, 315033, 351536, 420044, 462534, 527304, 616712, 630066, 840088, 925068, 1054608, 1233424, 1260132, 1680176, 1850136, 2520264, 3700272, 5040528, 13336397, 26672794, 40009191, 53345588, 80018382, 106691176, 160036764, 213382352, 320073528, 640147056]

約数ペア:

[(1, 640147056), (2, 320073528), (3, 213382352), (4, 160036764), (6, 106691176), (8, 80018382), (12, 53345588), (16, 40009191), (24, 26672794), (48, 13336397), (127, 5040528), (173, 3700272), (254, 2520264), (346, 1850136), (381, 1680176), (508, 1260132), (519, 1233424), (607, 1054608), (692, 925068), (762, 840088), (1016, 630066), (1038, 616712), (1214, 527304), (1384, 462534), (1524, 420044), (1821, 351536), (2032, 315033), (2076, 308356), (2428, 263652), (2768, 231267), (3048, 210022), (3642, 175768), (4152, 154178), (4856, 131826), (6096, 105011), (7284, 87884), (8304, 77089), (9712, 65913), (14568, 43942), (21971, 29136)]